mastercode.se - robtex.com
mastercode.se
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a02:2350:5:10b:8089:5d2a:69b8:f8aa🇩🇰 ONECOM2a02:2350::/32 One.com A/S | ||||||
| A | 46.30.213.113🇩🇰 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.mailpod16-cph3.g1i.one.com ⭐ | ||||||
| A | 5.249.232.33🇩🇰 ONECOM5.249.224.0/19 | ||||||
| PTR | mx1.mailpod16-cph3.g1i.one.com | ||||||
| MX | mx2.mailpod16-cph3.g1i.one.com ⭐ | ||||||
| A | 5.249.232.34🇩🇰 ONECOM5.249.224.0/19 | ||||||
| PTR | mx2.mailpod16-cph3.g1i.one.com | ||||||
| MX | mx3.mailpod16-cph3.g1i.one.com ⭐ | ||||||
| A | 5.249.232.35🇩🇰 ONECOM5.249.224.0/19 | ||||||
| PTR | mx3.mailpod16-cph3.g1i.one.com | ||||||
| MX | mx4.mailpod16-cph3.g1i.one.com ⭐ | ||||||
| A | 5.249.232.36🇩🇰 ONECOM5.249.224.0/19 | ||||||
| PTR | mx4.mailpod16-cph3.g1i.one.com | ||||||
| SOA | ns01.one.comhostmaster@one.com 2026-10-12 #4 | ||||||
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:3ffbdc4a-6a09-40f7-b426-a1ef3ef52ef6 | ||||||
| TXT | SE zone update: 2026-10-22 13:22:28 +0000 (EPOCH 1792675348) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.seregistry-default@nic.se serial=1792675769 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
13 records (8 active, 5 former)
●MXmx1.mailpod16-cph3.g1i.one.com2026-10-17 → 2026-10-22 · 3 obs
● 2026-10-17 17:17:38
● 2026-10-22 14:22:48
●MXmx2.mailpod16-cph3.g1i.one.com2026-10-17 → 2026-10-22 · 3 obs
● 2026-10-17 17:17:38
● 2026-10-22 14:22:48
●MXmx3.mailpod16-cph3.g1i.one.com2026-10-17 → 2026-10-22 · 3 obs
● 2026-10-17 17:17:38
● 2026-10-22 14:22:48
●MXmx4.mailpod16-cph3.g1i.one.com2026-10-17 → 2026-10-22 · 3 obs
● 2026-10-17 17:17:38
● 2026-10-22 14:22:48
○MXmxcluster1.one.com2015-08-06 → 2017-03-25 · 4 obs
● 2017-03-25 11:25:38
○ 2026-10-17 17:17:38
○ 2026-10-22 14:22:48
○MXmxcluster2.one.com2015-08-06 → 2017-03-25 · 4 obs
● 2017-03-25 11:25:38
○ 2026-10-17 17:17:38
○ 2026-10-22 14:22:48
●A2a02:2350:5:10b:8089:5d2a:69b8:f8aa2026-10-17 → 2026-10-22 · 3 obs
● 2026-10-17 17:17:38
● 2026-10-22 14:22:48
○A46.30.212.1032015-08-06 → 2016-03-06 · 4 obs
● 2016-03-06 10:06:32
○ 2016-07-15 16:09:32
○ 2026-10-22 14:22:48
●A46.30.213.1132026-10-17 → 2026-10-22 · 3 obs
● 2026-10-17 17:17:38
● 2026-10-22 14:22:48
○A46.30.213.1242017-03-25 → 2017-03-25 · 4 obs
● 2017-03-25 11:25:38
○ 2026-10-17 17:17:38
○ 2026-10-22 14:22:48
○A46.30.213.942016-07-15 → 2016-07-15 · 4 obs
● 2016-07-15 16:09:32
○ 2017-03-25 11:25:38
○ 2026-10-22 14:22:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| se | z.ns.se, a.ns.se, x.ns.se, b.ns.se... | 15 records |
| mastercode.se | ns01.one.com, ns02.one.com | - |
✅ Authoritative Response
Server:195.206.121.10
NS records: ns01.one.com, ns02.one.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1764ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.30.213.113 |
| AAAA | 1 | 2a02:2350:5:10b:8089:5d2a:69b8:f8aa |
| NS | 2 | ns02.one.com, ns01.one.com |
| MX | 4 | mx1.mailpod16-cph3.g1i.one.com (pri: 10), mx4.mailpod16-cph3.g1i.one.com (pri: 10)... |
| SOA | 1 | ns01.one.com hostmaster.one.com |
📌 Glue Records Collected
Total: 15
In-bailiwick: 15 (a.ns.se, b.ns.se, c.ns.se...)
Analysis
IP Addresses
mastercode.se directs to two IP numbers, 46.30.213.113 and 2a02:2350:5:10b:8089:5d2a:69b8:f8aa
Additional host names — senior-it.se, thgrunnarbeid.no, puebbie.de and two others — share IP numbers with mastercode.se.
Name Servers
mastercode.se is delegated to two name servers: ns01.one.com and ns02.one.com.
mastercode.se shares its name server setup with other domains, including krejberg.eu, mindedu.se, infoamcleaning.com and two others.
ns01.one.com and ns02.one.com each resolve to two IP addresses: ns01.one.com points to 195.206.121.10 and 2001:67c:28cc::10, while ns02.one.com points to 185.10.11.10 and 2001:67c:3c0::10.
Mail Servers
Four mail servers handle email for mastercode.se: mx1.mailpod16-cph3.g1i.one.com, mx2.mailpod16-cph3.g1i.one.com, mx3.mailpod16-cph3.g1i.one.com and mx4.mailpod16-cph3.g1i.one.com.
mastercode.se shares mail servers — at least in part — with other domains, including jimmyherciuk.com, magnusson.li, tieofsweden.com and two others.
mx1.mailpod16-cph3.g1i.one.com, mx2.mailpod16-cph3.g1i.one.com, mx3.mailpod16-cph3.g1i.one.com and mx4.mailpod16-cph3.g1i.one.com each resolve to one IP address: mx1.mailpod16-cph3.g1i.one.com resolves to 5.249.232.33, mx2.mailpod16-cph3.g1i.one.com resolves to 5.249.232.34, mx3.mailpod16-cph3.g1i.one.com resolves to 5.249.232.35 and mx4.mailpod16-cph3.g1i.one.com resolves to 5.249.232.36.