kattis.nu - robtex.com
kattis.nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a02:2350:5:106:8080:d743:2b12:dd5d🇩🇰 ONECOM2a02:2350::/32 One.com A/S | ||||||
| A | 46.30.215.176🇩🇰 ONECOM46.30.208.0/21 One.com A/S | ||||||
| NS | ns01.one.com ⭐ | ||||||
| A | 2001:67c:28cc::10ONECOM-INFRA2001:67c:28cc::/48 | ||||||
| PTR | ns01.one.com | ||||||
| A | 195.206.121.10ONECOM-INFRA195.206.121.0/24 | ||||||
| PTR | ns01.one.com | ||||||
| NS | ns02.one.com | ||||||
| A | 2001:67c:3c0::10🇩🇰 ONECOM2001:67c:3c0::/48 | ||||||
| PTR | ns02.one.com | ||||||
| A | 185.10.11.10ONECOM185.10.11.0/24 | ||||||
| PTR | ns02.one.com | ||||||
| MX | mx1.mailpod15-cph3.g1i.one.com ⭐ | ||||||
| A | 104.37.35.36🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx1.mailpod15-cph3.g1i.one.com | ||||||
| MX | mx2.mailpod15-cph3.g1i.one.com ⭐ | ||||||
| A | 104.37.35.37🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx2.mailpod15-cph3.g1i.one.com | ||||||
| MX | mx3.mailpod15-cph3.g1i.one.com ⭐ | ||||||
| A | 104.37.35.38🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx3.mailpod15-cph3.g1i.one.com | ||||||
| MX | mx4.mailpod15-cph3.g1i.one.com ⭐ | ||||||
| A | 104.37.35.39🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx4.mailpod15-cph3.g1i.one.com | ||||||
| SOA | ns01.one.comhostmaster@one.com 2026-07-11 #1 | ||||||
nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | catcher-in-the-rye.nic.nu ⭐ | ||||||
| NS | a.ns.nu | ||||||
| NS | c.ns.nu | ||||||
| NS | d.ns.nu | ||||||
| NS | m.ns.nu | ||||||
| NS | y.ns.nu | ||||||
| NS | z.ns.nu | ||||||
| TXT | id:05abe899-e7d8-4bfd-97f7-c47e46321922 | ||||||
| TXT | NU zone update: 2026-07-27 02:46:45 +0000 (EPOCH 1785120405) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1785120458 | ||||||
Previously NS for
kattis.nu |
Same first word
Similar names
DNS History
14 records (8 active, 6 former)
○NSa.ns.kattis.nu2017-02-06 → 2017-02-06 · 4 obs
● 2017-02-06 03:57:36
○ 2026-06-06 00:52:34
○ 2026-07-27 03:03:58
○NSkattis.nu2017-02-06 → 2017-02-06 · 4 obs
● 2017-02-06 03:57:36
○ 2026-06-06 00:52:34
○ 2026-07-27 03:03:58
●NSns01.one.com2026-06-06 → 2026-07-27 · 3 obs
● 2026-06-06 00:52:34
● 2026-07-27 03:03:58
●NSns02.one.com2026-06-06 → 2026-07-27 · 3 obs
● 2026-06-06 00:52:34
● 2026-07-27 03:03:58
○NSns1.wiredequity.se2015-11-01 → 2016-06-21 · 4 obs
● 2016-06-21 20:08:56
○ 2017-02-06 03:57:36
○ 2026-07-27 03:03:58
○NSns2.wiredequity.se2015-11-01 → 2016-06-21 · 4 obs
● 2016-06-21 20:08:56
○ 2017-02-06 03:57:36
○ 2026-07-27 03:03:58
●MXmx1.mailpod15-cph3.g1i.one.com2026-06-06 → 2026-07-27 · 2 obs
● 2026-07-27 03:03:58
●MXmx2.mailpod15-cph3.g1i.one.com2026-06-06 → 2026-07-27 · 2 obs
● 2026-07-27 03:03:58
●MXmx3.mailpod15-cph3.g1i.one.com2026-06-06 → 2026-07-27 · 2 obs
● 2026-07-27 03:03:58
●MXmx4.mailpod15-cph3.g1i.one.com2026-06-06 → 2026-07-27 · 2 obs
● 2026-07-27 03:03:58
○A176.74.193.1922017-02-06 → 2017-02-06 · 4 obs
● 2017-02-06 03:57:36
○ 2026-06-06 00:52:34
○ 2026-07-27 03:03:58
○A185.53.177.202015-11-01 → 2016-06-21 · 4 obs
● 2016-06-21 20:08:56
○ 2017-02-06 03:57:36
○ 2026-07-27 03:03:58
●A2a02:2350:5:106:8080:d743:2b12:dd5d2026-06-06 → 2026-07-27 · 3 obs
● 2026-06-06 00:52:34
● 2026-07-27 03:03:58
●A46.30.215.1762026-06-06 → 2026-07-27 · 3 obs
● 2026-06-06 00:52:34
● 2026-07-27 03:03:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | y.ns.nu, a.ns.nu, c.ns.nu, d.ns.nu... | 12 records |
| kattis.nu | ns02.one.com, ns01.one.com | - |
✅ Authoritative Response
Server:185.10.11.10
NS records: ns02.one.com, ns01.one.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 954ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.30.215.176 |
| AAAA | 1 | 2a02:2350:5:106:8080:d743:2b12:dd5d |
| NS | 2 | ns01.one.com, ns02.one.com |
| MX | 4 | mx1.mailpod15-cph3.g1i.one.com (pri: 10), mx4.mailpod15-cph3.g1i.one.com (pri: 10)... |
| SOA | 1 | ns01.one.com hostmaster.one.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (z.ns.nu, y.ns.nu, m.ns.nu...)
Analysis
IP Addresses
kattis.nu has two IP addresses: 46.30.215.176 and 2a02:2350:5:106:8080:d743:2b12:dd5d
cb-musik.dk, mail.techdom.de, camasrl.it plus two other host names have IP numbers in common with kattis.nu.
Name Servers
The NS records for kattis.nu delegate to ns01.one.com and ns02.one.com.
The name server configuration of kattis.nu is shared with other domains, for instance undervandet.dk, solcapto.nl, odderfodbold.dk and two others.
ns01.one.com resolves to 195.206.121.10 and 2001:67c:28cc::10. Likewise, ns02.one.com resolves to 185.10.11.10 and 2001:67c:3c0::10 — two IP addresses apiece.
Mail Servers
Mail for kattis.nu is handled by four mail servers: mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com, mx3.mailpod15-cph3.g1i.one.com and mx4.mailpod15-cph3.g1i.one.com.
At least some of the mail servers used by kattis.nu are shared with other domains: meltics.com, laholmsljudteknik.se, dvts.be and two others among them.
Four host names, each with one IP address: mx1.mailpod15-cph3.g1i.one.com has 104.37.35.36, mx2.mailpod15-cph3.g1i.one.com has 104.37.35.37, mx3.mailpod15-cph3.g1i.one.com has 104.37.35.38 and mx4.mailpod15-cph3.g1i.one.com has 104.37.35.39.