class.se - dns.ninja
class.se
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:67c:1b2c::4:1🇸🇪 NMU-AS2001:67c:1b2c::/48 Nordisk Media Utveckling AB | ||||||
| PTR | redirect.nmugroup.com | ||||||
| A | 193.183.80.13🇸🇪 NMU-AS193.183.80.0/24 Nordisk Media Utveckling AB | ||||||
| NS | origo.nmugroup.com ⭐ | ||||||
| A | 2001:67c:1b2c::4🇸🇪 NMU-AS2001:67c:1b2c::/48 Nordisk Media Utveckling AB | ||||||
| PTR | origo.nmugroup.com | ||||||
| A | 193.183.80.4🇸🇪 NMU-AS193.183.80.0/24 Nordisk Media Utveckling AB | ||||||
| PTR | origo.nmugroup.com | ||||||
| NS | ephemera.nmugroup.se | ||||||
| A | 2a02:80:3ffe::28🇸🇪 TELESERVICE2a02:80::/32 -NET | ||||||
| PTR | ephemera.nmugroup.se | ||||||
| A | 85.30.129.28🇸🇪 TELESERVICE85.30.128.0/18 | ||||||
| PTR | ephemera.nmugroup.se | ||||||
| NS | unit.nmugroup.com | ||||||
| A | 2001:4db8:e004::2🇸🇪 NAO2001:4db8::/32 Net At Once IPv6 route | ||||||
| PTR | unit.nmugroup.com | ||||||
| A | 217.10.116.210🇸🇪 NAO217.10.96.0/19 Net at Once AB | ||||||
| NS | vertex.nmugroup.se | ||||||
| A | 2a02:752:0:18::18🇸🇪 GLESYS2a02:750::/29 | ||||||
| PTR | vertex.nmugroup.se | ||||||
| A | 195.246.120.244🇸🇪 GLESYS195.246.120.0/23 | ||||||
| PTR | vertex.nmugroup.se | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | origo.nmugroup.comdns@nmugroup.com 2026-07-30 #0 | ||||||
se
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | catcher-in-the-rye.nic.se ⭐ | ||||||
| NS | a.ns.se | ||||||
| NS | b.ns.se | ||||||
| NS | c.ns.se | ||||||
| NS | f.ns.se | ||||||
| NS | g.ns.se | ||||||
| NS | i.ns.se | ||||||
| NS | m.ns.se | ||||||
| NS | x.ns.se | ||||||
| NS | y.ns.se | ||||||
| NS | z.ns.se | ||||||
| TXT | id:49d20b97-ce19-4c57-8d28-6782c3cb21a6 | ||||||
| TXT | SE zone update: 2026-07-30 17:28:08 +0000 (EPOCH 1785432488) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.seregistry-default@nic.se serial=1785432888 | ||||||
Same first word
Similar names
DNS History
12 records (6 active, 6 former)
●NSephemera.nmugroup.se2026-02-21 → 2026-07-30 · 3 obs
● 2026-02-21 09:23:14
● 2026-07-30 17:56:48
○NSns1.rookdns.com2015-06-14 → 2016-12-16 · 4 obs
● 2016-12-16 19:51:22
○ 2026-02-21 09:23:14
○ 2026-07-30 17:56:48
○NSns2.rookdns.com2015-06-14 → 2016-12-16 · 4 obs
● 2016-12-16 19:51:22
○ 2026-02-21 09:23:14
○ 2026-07-30 17:56:48
●NSorigo.nmugroup.com2026-02-21 → 2026-07-30 · 3 obs
● 2026-02-21 09:23:14
● 2026-07-30 17:56:48
●NSunit.nmugroup.com2026-02-21 → 2026-07-30 · 3 obs
● 2026-02-21 09:23:14
● 2026-07-30 17:56:48
●NSvertex.nmugroup.se2026-02-21 → 2026-07-30 · 3 obs
● 2026-02-21 09:23:14
● 2026-07-30 17:56:48
○MXmail.mxproc.com2015-06-14 → 2016-04-12 · 4 obs
● 2016-04-12 22:07:14
○ 2016-07-16 17:40:52
○ 2026-07-30 17:56:48
○MXmail.replyingback.com2016-07-16 → 2016-08-30 · 5 obs
● 2016-07-16 17:40:52
● 2016-08-30 16:40:40
○ 2016-12-13 19:47:24
○ 2026-07-30 17:56:48
○A141.8.224.252015-06-14 → 2016-12-16 · 4 obs
● 2016-12-16 19:51:22
○ 2026-02-21 09:23:14
○ 2026-07-30 17:56:48
●A193.183.80.132026-02-21 → 2026-07-30 · 3 obs
● 2026-02-21 09:23:14
● 2026-07-30 17:56:48
●A2001:67c:1b2c::4:12026-02-21 → 2026-07-30 · 3 obs
● 2026-02-21 09:23:14
● 2026-07-30 17:56:48
○PTRns1.rookdns.com2016-12-13 → 2016-12-16 · 4 obs
● 2016-12-16 19:51:22
○ 2026-02-21 09:23:14
○ 2026-07-30 17:56:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| se | a.ns.se, b.ns.se, c.ns.se, f.ns.se... | - |
| class.se | unit.nmugroup.com, ephemera.nmugroup.se, vertex.nmugroup.se, origo.nmugroup.com | 4 records |
✅ Authoritative Response
Server:193.183.80.4
NS records: unit.nmugroup.com, ephemera.nmugroup.se, vertex.nmugroup.se, origo.nmugroup.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1118ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.183.80.13 |
| AAAA | 1 | 2001:67c:1b2c::4:1 |
| NS | 4 | vertex.nmugroup.se, origo.nmugroup.com... |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | origo.nmugroup.com dns.nmugroup.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ephemera.nmugroup.se, vertex.nmugroup.se, ephemera.nmugroup.se...)
Analysis
IP Addresses
class.se resolves to the IP addresses 193.183.80.13 and 2001:67c:1b2c::4:1
Two other host names, along with doj.se, mfex.systems and boplatssyd.com, also share IP numbers with class.se.
Name Servers
The NS records for class.se point to four name servers: origo.nmugroup.com, unit.nmugroup.com, ephemera.nmugroup.se and vertex.nmugroup.se.
class.se has at least partial name server overlap with other domains, such as hestra.ca, mfex.net.cn, evertiq.se and two others.
These name servers tend to appear together with the name servers ns-any1.nmugroup.se, ns-any2.nmugroup.se and origo.nmugroup.se.
origo.nmugroup.com, unit.nmugroup.com, ephemera.nmugroup.se and vertex.nmugroup.se all point to exactly two IP numbers each: origo.nmugroup.com → 193.183.80.4 and 2001:67c:1b2c::4; unit.nmugroup.com → 217.10.116.210 and 2001:4db8:e004::2; ephemera.nmugroup.se → 85.30.129.28 and 2a02:80:3ffe::28; vertex.nmugroup.se → 195.246.120.244 and 2a02:752:0:18::18.