The first domain was established in ccTLD IS in 1986, but formal domain registration began in 1989, as Iceland became officially part of the Internet.

year	registered	total
2024	11075	86123
2023	8582	75048
2022	6913	66466
2021	6840	59553
2020	6270	52713
2019	5038	46443
2018	4007	41405
2017	3818	37398
2016	3403	33580
2015	3271	30177
2014	3077	26906
2013	2944	23829
2012	2546	20885
2011	2237	18339
2010	2279	16102
2009	2100	13823
2008	1767	11723
2007	1527	9956
2006	1261	8429
2005	1269	7168
2004	976	5899
2003	897	4923
2002	886	4026
2001	851	3140
2000	892	2289

In March 1999 individuals were allowed to register domains. Below is the number of currently active domains which were registered by individuals.

	registered	total
September	527	31550
August	447	31023
July	429	30576
June	433	30147
May	465	29714
April	489	29249
March	531	28760
February	508	28229
2025 January	522	27721
December	355	27199
November	458	26844
October	424	26386
September	413	25962
August	315	25549
July	283	25234
June	316	24951
May	315	24635
April	433	24320
March	359	23887
February	391	23528
2024 January	363	23137
December	303	22774
November	389	22471
October	333	22082

Number of active domains, registered in each month of the year.

month	this year	last year	older
01	1367	931	6765
02	1229	888	6273
03	1338	828	6966
04	1225	943	6126
05	1109	733	6175
06	1137	751	5324
07	1192	704	4884
08	1260	714	5594
09	1306	1116	6952
10	0	1159	7158
11	0	1255	7022
12	0	1053	5815

Distribution of current .is domains in regard to how many years they were registered.

age (years)	number
30-31	38
29-30	67
28-29	211
27-28	378
26-27	505
25-26	839
24-25	899
23-24	872
22-23	867
21-22	942
20-21	1240
19-20	1188
18-19	1512
17-18	1567
16-17	2152
15-16	2183
14-15	2258
13-14	2528
12-13	2892
11-12	3012
10-11	3227
9-10	3321
8-9	3696
7-8	3994
6-7	4696
5-6	5821
4-5	6819
3-4	6908
2-3	7946
1-2	10048
0-1	14628
Mean age	7.6

Blue is total new registrations, red is the number of domains deleted on that date.

	registered	[dom/for]	deleted	[dom/for]	net change	[dom/for]
18. Oct	29	[13/16]	32	[8/24 ]	-3	[5/-8]
17. Oct	46	[17/29]	40	[19/21 ]	6	[-2/8]
16. Oct	72	[42/30]	36	[24/12 ]	36	[18/18]
15. Oct	56	[33/23]	35	[18/17 ]	21	[15/6]
14. Oct	47	[28/19]	36	[21/15 ]	11	[7/4]
13. Oct	50	[37/13]	39	[23/16 ]	11	[14/-3]
12. Oct	45	[31/14]	31	[10/21 ]	14	[21/-7]
11. Oct	31	[19/12]	24	[16/8 ]	7	[3/4]
10. Oct	47	[29/18]	28	[17/11 ]	19	[12/7]
09. Oct	58	[37/21]	32	[16/16 ]	26	[21/5]
08. Oct	64	[28/36]	24	[15/9 ]	40	[13/27]
07. Oct	53	[39/14]	34	[20/14 ]	19	[19/0]
06. Oct	53	[40/13]	18	[11/7 ]	35	[29/6]
05. Oct	41	[26/15]	23	[12/11 ]	18	[14/4]
04. Oct	37	[14/23]	18	[7/11 ]	19	[7/12]
03. Oct	48	[27/21]	28	[19/9 ]	20	[8/12]
02. Oct	51	[30/21]	21	[10/11 ]	30	[20/10]
01. Oct	46	[27/19]	36	[23/13 ]	10	[4/6]
30. Sep	38	[27/11]	37	[23/14 ]	1	[4/-3]
29. Sep	42	[21/21]	23	[14/9 ]	19	[7/12]
28. Sep	35	[20/15]	21	[15/6 ]	14	[5/9]
27. Sep	27	[13/14]	29	[18/11 ]	-2	[-5/3]
26. Sep	53	[24/29]	27	[18/9 ]	26	[6/20]
25. Sep	60	[38/22]	40	[22/18 ]	20	[16/4]
24. Sep	38	[25/13]	25	[16/9 ]	13	[9/4]
23. Sep	66	[36/30]	40	[20/20 ]	26	[16/10]
22. Sep	44	[30/14]	40	[28/12 ]	4	[2/2]
21. Sep	16	[6/10]	20	[11/9 ]	-4	[-5/1]
20. Sep	19	[10/9]	39	[15/24 ]	-20	[-5/-15]
19. Sep	35	[15/20]	33	[18/15 ]	2	[-3/5]
18. Sep	39	[24/15]	36	[19/17 ]	3	[5/-2]
Total	1386	[806/580]	945	[526/419]	441	[280/161]

When domain has been purged and is available for registration.

	deleted
September	948
August	741
July	878
June	863
May	1072
April	950
March	930
February	880
2025 January	787
December	834
November	822
October	810
September	825
August	761
July	739
June	889
May	914
April	915
March	963
February	855
2024 January	915
December	999
November	801
October	780

Any change made to the domain registration, including delegation changes, but excluding transfers.

	changed
September	1660
August	1675
July	1869
June	1509
May	1573
April	1714
March	1683
February	1665
2025 January	1746
December	1564
November	1978
October	1705
September	1704
August	1407
July	1242
June	1332
May	1535
April	1482
March	1499
February	1560
2024 January	1590
December	1299
November	1873
October	1609

Number of domains put on hold. Domains are put on hold when renewal fee is unpaid past due date or if the domain is not hosted properly on its nameservers.

	on hold
September	1305
August	1272
July	1020
June	1190
May	1258
April	1415
March	1460
February	1229
2025 January	1302
December	1011
November	1072
October	1133
September	1142
August	1158
July	1009
June	1008
May	1267
April	1168
March	1268
February	1261
2024 January	1238
December	1088
November	1195
October	1169

Domains can be put on hold temporarily. This is the number of reactivated domains.

	reactivated
September	523
August	479
July	356
June	479
May	535
April	488
March	521
February	470
2025 January	515
December	356
November	372
October	437
September	478
August	394
July	364
June	419
May	475
April	462
March	491
February	476
2024 January	424
December	376
November	400
October	456

Number of domains transferred from one registrant to another.

	transferred
September	345
August	232
July	240
June	296
May	219
April	298
March	349
February	268
2025 January	368
December	278
November	262
October	376
September	285
August	205
July	203
June	197
May	242
April	314
March	476
February	316
2024 January	308
December	283
November	564
October	438

Number of domains signed using DNSSEC.

	signed
September	3453
August	3438
July	3412
June	3395
May	3382
April	3360
March	3332
February	3312
2025 January	3302
December	3249
November	3244
October	3219
September	3196
August	3179
July	3167
June	3167
May	3125
April	3123
March	3101
February	3105
2024 January	2991
December	2965
November	2955
October	2943

Number of domains per month using ISNIC's parking or ISNIC DNS Hosting.

	parked	ISNIC DNS Hosting
Október	21011	12975
September	20920	12965
Ágúst	20883	12980
Júlí	20835	12935
Júní	20767	12895
Maí	20658	12869
Apríl	20594	12821
Mars	20459	12767
Febrúar	20383	12674
2025 Janúar	20237	12551
Desember	20175	12506
Nóvember	20149	12406
Október	20064	12283
September	19987	12168
Ágúst	19955	12078
Júlí	19876	12015
Júní	19725	11943
Maí	19749	11897
Apríl	19549	11777
Mars	19380	11710
Febrúar	19252	11657
2024 Janúar	19178	11614
Desember	19030	11560
Nóvember	18865	11467

Number of domains renewed for two, three, four or five years in a given month.

	1 year	2 years	3 years	4 years	5 years
September	7093	55	13	8	17
August	6668	52	15	1	20
July	5674	36	9	7	12
June	5537	40	9	9	15
May	6367	40	11	8	11
April	6613	44	8	10	18
March	7338	38	10	7	15
February	6712	48	15	6	18
2025 January	7680	62	14	5	20
December	6242	47	12	4	6
November	6295	26	13	2	15
October	7048	52	7	13	10
September	6817	52	3	9	20
August	6617	39	17	5	24
July	5669	36	11	3	8
June	5280	53	11	5	8
May	6176	41	13	6	15
April	6529	51	23	5	17
March	7125	60	7	7	17
February	6737	41	11	15	22
2024 January	7213	59	20	13	34
December	5881	43	13	2	12
November	6084	52	9	4	20
October	6721	39	5	3	25

Number of characters in a domain. It can between 1 up to 63 characters.

length	number	length	number	length	number	length	number
1	46	2	1257	3	6072	4	6951
5	8539	6	9660	7	9463	8	9709
9	9367	10	8277	11	6949	12	5282
13	3964	14	3230	15	2430	16	1846
17	1300	18	892	19	685	20	467
21	291	22	197	23	126	24	105
25	65	26	37	27	27	28	12
29	14	30	8	31	9	32	6
33	1	34	3	35	1	36	1
37	1	38	1	40	1

Postal code

postal code	number of domains
105 Reykjavík	5904
101 Reykjavík	5779
110 Reykjavík	4356
108 Reykjavík	4277
210 Garðabæ	3758
200 Kópavogi	3485
104 Reykjavík	3343
220 Hafnarfirði	2728
201 Kópavogi	2680
112 Reykjavík	2342
270 Mosfellsbæ	2150
221 Hafnarfirði	1986
600 Akureyri	1720
203 Kópavogi	1693
800 Selfossi	1438
107 Reykjavík	1346
109 Reykjavík	1322
113 Reykjavík	1307
230 Reykjanesbæ	1197
170 Seltjarnarnesi	931

Towns

town/county	number of domains
Reykjavík	32469
Kópavogi	7867
Hafnarfirði	4742
Garðabæ	4272
Akureyri	2616
Mosfellsbæ	2253
Reykjanesbæ	2230
Selfossi	2029
Seltjarnarnesi	932
Akranesi	774
Borgarnesi	442
Egilsstöðum	435
Hveragerði	432
Vestmannaeyjum	371
Grindavík	345
Ísafirði	333
Húsavík	314
Sauðárkróki	313
Hellu	299
Höfn í Hornafirði	267

Percentage of .IS domains with primary nameserver in domain of the largest hosting companies.

Rank	Hosting Company	share (%)	|	Rank	Hosting Company	share (%)
1	1984.is	12.00	|	21	awsdns.net	0.44
2	cloudflare.com	11.41	|	22	wordpress.com	0.42
3	registrar-servers.com	5.55	|	23	thekking.is	0.42
4	wixdns.net	1.93	|	24	midja.is	0.42
5	hyp.net	1.41	|	25	googledomains.com	0.41
6	hysingar.is	1.36	|	26	vercel-dns.com	0.40
7	vist.is	1.30	|	27	awsdns.co.uk	0.39
8	netvistun.is	1.18	|	28	digitalocean.com	0.39
9	azure-dns.com	0.81	|	29	microsoftonline.com	0.38
10	hysing.is	0.81	|	30	101domain.com	0.38
11	xnet.is	0.73	|	31	eurodns.com	0.38
12	c.is	0.69	|	32	nsone.net	0.37
13	cscdns.net	0.60	|	33	x.is	0.36
14	siteground.net	0.60	|	34	t.is	0.35
15	markmonitor.com	0.53	|	35	dreamhost.com	0.33
16	stefna.is	0.51	|	36	vortex.is	0.31
17	dns-parking.com	0.51	|	37	snerpa.is	0.28
18	awsdns.org	0.50	|	38	okhysing.is	0.28
19	simnet.is	0.49	|	39	reykjavik.is	0.27
20	awsdns.com	0.44	|	40	trademarkarea.com	0.25

See past years.

Number of domains since 1990 and a updated forcast for the next few years.

The following is a attempt to predict the number of .is domains by the year 2030. The prediction was made in july 2010, based on the data available then: