glasklar.is - robtex.com
glasklar.is
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | nameserver-01.glasklarteknik.se ⭐ | ||||||
| A | 2a03:1b20:1:e015::11🇸🇪 ESAB-AS2a03:1b20:1::/48 | ||||||
| PTR | nameserver-01.glasklarteknik.se | ||||||
| A | 185.213.153.203🇸🇪 ESAB-AS185.213.153.0/24 | ||||||
| NS | halleck.arrakis.se | ||||||
| A | 2a0a:1100:108c::2🇬🇧 JUMP2a0a:1100::/32 Bitfolk Ltd IPv6 /32 | ||||||
| PTR | halleck.arrakis.se | ||||||
| A | 85.119.82.90🇬🇧 JUMP85.119.80.0/21 Bitfolk Ltd /21 PA | ||||||
| PTR | halleck.arrakis.se | ||||||
| NS | ns.adb-centralen.se | ||||||
| A | 2001:6b0:8::87🇸🇪 SUNET2001:6b0::/32 The Swedish University Network | ||||||
| PTR | ns.adb-centralen.se | ||||||
| A | 193.10.5.87🇸🇪 SUNET193.10.0.0/16 C Aggregate | ||||||
| NS | ns.verkligendata.se | ||||||
| A | 2001:67c:8a4:1::3🇸🇪 VERKLIGENDATA2001:67c:8a4::/48 | ||||||
| PTR | ns.verkligendata.se | ||||||
| A | 91.223.231.3🇸🇪 VERKLIGENDATA91.223.231.0/24 | ||||||
| PTR | ns.verkligendata.se | ||||||
| MX | mail.sigsum.org ⭐ | ||||||
| A | 2a07:5cc0:14::48🇸🇪 OBE-NET2a07:5cc0::/29 | ||||||
| PTR | mail-01.sigsum.org | ||||||
| A | 46.227.66.48🇸🇪 OBEHOSTING46.227.64.0/21 | ||||||
| TXT | v=spf1 ip4:91.223.231.4 ip6:2001:67c:8a4:1::4 ip4:91.223.231.12 ip6:2001:67c:... | ||||||
| SOA | nameserver-01.glasklarteknik.seregistry@glasklarteknik.se 2026-07-05 #1 | ||||||
is
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.is ⭐ | ||||||
| NS | c.nic.is | ||||||
| NS | d.nic.is | ||||||
| NS | e.nic.is | ||||||
| NS | f.nic.is | ||||||
| SOA | a.nic.ishostmaster@isnic.is serial=1783368602 | ||||||
Same first word
glasklar.se |
glasklar.at |
glasklar.com |
glasklar.it |
glasklar.is |
glasklar.dk |
glasklar.center |
glasklar.ch |
glasklar.cc |
glasklar.net |
Similar names
DNS History
5 records (5 active, 0 former)
●NShalleck.arrakis.se2026-05-25 → 2026-07-06 · 2 obs
● 2026-07-06 20:10:52
●NSnameserver-01.glasklarteknik.se2026-05-25 → 2026-07-06 · 2 obs
● 2026-07-06 20:10:52
●NSns.adb-centralen.se2026-05-25 → 2026-07-06 · 2 obs
● 2026-07-06 20:10:52
●NSns.verkligendata.se2026-05-25 → 2026-07-06 · 2 obs
● 2026-07-06 20:10:52
●MXmail.sigsum.org2026-05-25 → 2026-07-06 · 2 obs
● 2026-07-06 20:10:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| is | d.nic.is, f.nic.is, a.nic.is, c.nic.is... | - |
| glasklar.is | halleck.arrakis.se, nameserver-01.glasklarteknik.se, ns.adb-centralen.se, ns.verkligendata.se | - |
✅ Authoritative Response
Server:91.223.231.3
NS records: halleck.arrakis.se, nameserver-01.glasklarteknik.se, ns.adb-centralen.se, ns.verkligendata.se
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1700ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns.adb-centralen.se, ns.verkligendata.se... |
| MX | 1 | mail.sigsum.org (pri: 0) |
| TXT | 1 | v=spf1 ip4:91.223.231.4 ip6:2001:67c:8a4 |
| SOA | 1 | nameserver-01.glasklarteknik.se registry |
Analysis
Name Servers
The domain glasklar.is is delegated to these four name servers: ns.adb-centralen.se, halleck.arrakis.se, nameserver-01.glasklarteknik.se and ns.verkligendata.se.
glasklar.is shares at least some of its name servers with other domains, including dfri.org, mikadako.com, 231.223.91.in-addr.arpa and two others.
These name servers are frequently seen alongside ns.fatburen.org, a.authns.bitfolk.co.uk, shell.arrakis.se and 4 other name servers.
The host names ns.adb-centralen.se, halleck.arrakis.se, nameserver-01.glasklarteknik.se and ns.verkligendata.se each resolve to two IP addresses: ns.adb-centralen.se resolves to 193.10.5.87 and 2001:6b0:8::87; halleck.arrakis.se resolves to 85.119.82.90 and 2a0a:1100:108c::2; nameserver-01.glasklarteknik.se resolves to 185.213.153.203 and 2a03:1b20:1:e015::11; ns.verkligendata.se resolves to 91.223.231.3 and 2001:67c:8a4:1::3.
Mail Servers
glasklar.is routes its mail through a single mail server, mail.sigsum.org.
glasklar.is and domains like glasklarteknik.se share an identical mail server configuration.
mail.sigsum.org points to two IP addresses: 46.227.66.48 and 2a07:5cc0:14::48.