is - robtex.com
is
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.is ⭐ | ||||||
| A | 2001:67c:6c:56::10🇮🇸 ISNIC2001:67c:6c::/48 Internet a Islandi hf. .IS ccTLD Registry | ||||||
| PTR | a.nic.is | ||||||
| A | 185.93.156.10🇮🇸 ISNIC185.93.156.0/22 Internet a Islandi hf. IS-TLD admin/RIX | ||||||
| PTR | a.nic.is | ||||||
| NS | c.nic.is | ||||||
| A | 2001:500:14:6116:ad::1🇺🇸 UNSPECIFIED2001:500:14::/48 PCH v6 block for DNS Anycast | ||||||
| PTR | c.nic.is | ||||||
| A | 204.61.216.116🇺🇸 UNSPECIFIED204.61.216.0/23 Packet Clearing House | ||||||
| PTR | c.nic.is | ||||||
| NS | d.nic.is | ||||||
| A | 2001:67c:1010:14::53🇨🇭 NETNOD-IX2001:67c:1010::/48 DNSNODE Anycast RIPE from sites $Id: route6_2001:67c:1010::-48,v 1.1 2010-06-10 08:08:52 nico Exp $ | ||||||
| PTR | d.nic.is | ||||||
| A | 194.146.106.58🇸🇪 NETNOD-IX194.146.106.0/24 NETNOD-DB-LAN-GBG $Id: route:194.146.106.0-24,v 1.3 2010-05-20 10:35:04 nico Exp $ | ||||||
| PTR | d.nic.is | ||||||
| NS | e.nic.is | ||||||
| A | 2001:678:20::41🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:678:20::/48 NICat-anycast-net | ||||||
| PTR | e.nic.is | ||||||
| A | 194.0.25.41🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD194.0.25.0/24 NICat-anycast-net | ||||||
| PTR | e.nic.is | ||||||
| NS | f.nic.is | ||||||
| A | 2001:67c:6c:1000::22🇮🇸 ISNIC2001:67c:6c::/48 Internet a Islandi hf. .IS ccTLD Registry | ||||||
| PTR | f.nic.is | ||||||
| A | 185.93.157.22🇮🇸 ISNIC185.93.156.0/22 Internet a Islandi hf. IS-TLD admin/RIX | ||||||
| PTR | f.nic.is | ||||||
| SOA | a.nic.ishostmaster@isnic.is serial=1776943802 | ||||||
(root)
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.root-servers.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | c.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | d.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | e.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | f.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | g.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | h.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | i.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | j.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | k.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | l.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | m.root-servers.net ⚠️ Not in parent delegation | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-04-23 #0 | ||||||
PTR for
NS for
Subdomains
Same first word
Similar names
DNS History
13 records (5 active, 8 former)
●NSa.nic.is2026-02-16 → 2026-04-23 · 3 obs
● 2026-02-16 17:01:56
● 2026-04-23 12:03:32
○NSb.nic.is2026-02-16 → 2026-02-17 · 5 obs
● 2026-02-16 17:01:56
● 2026-02-17 01:36:30
○ 2026-02-25 17:56:52
○ 2026-04-23 12:03:32
○NSbes.isnic.is2016-10-26 → 2021-12-10 · 5 obs
● 2016-10-26 12:11:20
● 2021-12-10 21:07:24
○ 2026-02-16 17:01:56
○ 2026-04-23 12:03:32
●NSc.nic.is2026-02-16 → 2026-04-23 · 3 obs
● 2026-02-16 17:01:56
● 2026-04-23 12:03:32
●NSd.nic.is2026-02-16 → 2026-04-23 · 3 obs
● 2026-02-16 17:01:56
● 2026-04-23 12:03:32
○NSdurinn.rhnet.is2015-09-04 → 2021-12-10 · 4 obs
● 2021-12-10 21:07:24
○ 2026-02-16 17:01:56
○ 2026-04-23 12:03:32
●NSe.nic.is2026-02-16 → 2026-04-23 · 3 obs
● 2026-02-16 17:01:56
● 2026-04-23 12:03:32
●NSf.nic.is2026-02-16 → 2026-04-23 · 3 obs
● 2026-02-16 17:01:56
● 2026-04-23 12:03:32
○NSis.cctld.authdns.ripe.net2015-09-04 → 2016-05-26 · 4 obs
● 2016-05-26 09:00:06
○ 2016-05-27 10:30:54
○ 2026-04-23 12:03:32
○NSisgate.is2015-09-04 → 2021-12-10 · 4 obs
● 2021-12-10 21:07:24
○ 2026-02-16 17:01:56
○ 2026-04-23 12:03:32
○NSsab.isnic.is2015-09-04 → 2021-12-10 · 4 obs
● 2021-12-10 21:07:24
○ 2026-02-16 17:01:56
○ 2026-04-23 12:03:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| is | a.nic.is, c.nic.is, d.nic.is, e.nic.is... | 10 records |
✅ Authoritative Response
Server:185.93.156.10
NS records: a.nic.is, c.nic.is, d.nic.is, e.nic.is, f.nic.is
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 463ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 5 | a.nic.is, c.nic.is... |
| SOA | 1 | a.nic.is hostmaster.isnic.is |
📌 Glue Records Collected
Total: 10
In-bailiwick: 10 (a.nic.is, c.nic.is, d.nic.is...)
Analysis
Hierarchy
is is a parent of jandj.is, markviss.is, snyrtistofagrafarvogs.is, raunverd.is, raxiom.is and tens of thousands of other host names.
Name Server Role
is serves as a name server for collectorscentreonline.co.uk, opaff.com and eightlegged.com.
ns1.eightlegged1.co.uk, ns2.eightlegged1.co.uk and in01.indserve.com are commonly used as name servers along with is.
Name Servers
is is delegated to five name servers: a.nic.is, c.nic.is, d.nic.is, e.nic.is and f.nic.is.
Host names with two IP numbers
Each host name points to two IP numbers:
a.nic.is points to 2001:67c:6c:56::10 and 185.93.156.10
c.nic.is points to 2001:500:14:6116:ad::1 and 204.61.216.116
d.nic.is points to 2001:67c:1010:14::53 and 194.146.106.58
e.nic.is points to 2001:678:20::41 and 194.0.25.41
f.nic.is points to 2001:67c:6c:1000::22 and 185.93.157.22