undertryk.dk - robtex.com
undertryk.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 185.21.41.215🇩🇰 team-blue-denmark185.21.40.0/22 ZITCOM A/S | ||||||
| PTR | prolinux4.curanet.dk | ||||||
| NS | ns1.curanet.dk ⭐ | ||||||
| A | 2a02:2339:4006:108::123🇩🇰 team-blue-denmark2a02:2339:4000::/34 | ||||||
| PTR | ns1.curanet.dk | ||||||
| A | 185.25.141.12🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S | ||||||
| PTR | ns1.curanet.dk | ||||||
| NS | ns2.curanet.dk | ||||||
| A | 2a02:2339:1:10f::123:123🇩🇰 team-blue-denmark2a02:2339::/36 | ||||||
| PTR | ns2.curanet.dk | ||||||
| A | 91.197.248.75🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns2.curanet.dk | ||||||
| MX | mx1.onlinemail.io ⭐ | ||||||
| A | 185.21.42.12🇩🇰 team-blue-denmark185.21.40.0/22 ZITCOM A/S | ||||||
| PTR | mx1.onlinemail.io | ||||||
| MX | mx2.onlinemail.io(20) | ||||||
| A | 46.36.208.16🇩🇰 team-blue-denmark46.36.208.0/21 | ||||||
| PTR | mx2.onlinemail.io | ||||||
| TXT | v=spf1 include:spf.onlinemail.io ?all | ||||||
| TXT | MS=ms20330458 | ||||||
| SOA | ns1.curanet.dkhostmaster@curanet.dk 2021-11-18 #1 | ||||||
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ | ||||||
| NS | c.nic.dk | ||||||
| NS | h.nic.dk | ||||||
| NS | l.nic.dk | ||||||
| NS | s.nic.dk | ||||||
| NS | t.nic.dk | ||||||
| TXT | DK zone updateEpoch 1776007800localtime Sun Apr 12 17:30:00 2026gmtime Sun Ap... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1776007800 | ||||||
Previously MX for
Subdomains
Same first word
undertryk.dk |
DNS History
12 records (5 active, 7 former)
●NSns1.curanet.dk2017-07-04 → 2026-04-12 · 3 obs
● 2017-07-04 09:59:52
● 2026-04-12 15:49:14
○NSns1.meebox.net2015-06-06 → 2016-12-01 · 4 obs
● 2016-12-01 22:40:22
○ 2017-07-04 09:59:52
○ 2026-04-12 15:49:14
●NSns2.curanet.dk2017-07-04 → 2026-04-12 · 3 obs
● 2017-07-04 09:59:52
● 2026-04-12 15:49:14
○NSns2.meebox.net2015-06-06 → 2016-12-01 · 4 obs
● 2016-12-01 22:40:22
○ 2017-07-04 09:59:52
○ 2026-04-12 15:49:14
○MXbackup-mx.zitcom.dk2017-07-04 → 2017-07-04 · 4 obs
● 2017-07-04 09:59:52
○ 2026-03-03 16:31:24
○ 2026-04-12 15:49:14
○MXmail.undertryk.dk2017-07-04 → 2017-07-04 · 4 obs
● 2017-07-04 09:59:52
○ 2026-03-03 16:31:24
○ 2026-04-12 15:49:14
●MXmx1.onlinemail.io2026-03-03 → 2026-04-12 · 3 obs
● 2026-03-03 16:31:24
● 2026-04-12 15:49:14
●MXmx2.onlinemail.io2026-03-03 → 2026-04-12 · 3 obs
● 2026-03-03 16:31:24
● 2026-04-12 15:49:14
○MXundertryk.dk2015-06-06 → 2016-12-01 · 4 obs
● 2016-12-01 22:40:22
○ 2017-07-04 09:59:52
○ 2026-04-12 15:49:14
●A185.21.41.2152017-07-04 → 2026-04-12 · 3 obs
● 2017-07-04 09:59:52
● 2026-04-12 15:49:14
○A77.66.118.2382016-12-01 → 2016-12-01 · 4 obs
● 2016-12-01 22:40:22
○ 2017-07-04 09:59:52
○ 2026-04-12 15:49:14
○A77.66.30.2422015-06-06 → 2016-04-07 · 4 obs
● 2016-04-07 21:58:48
○ 2016-12-01 22:40:22
○ 2026-04-12 15:49:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| undertryk.dk | ns2.curanet.dk, ns1.curanet.dk | - |
✅ Authoritative Response
Server:185.25.141.12
NS records: ns2.curanet.dk, ns1.curanet.dk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 927ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.21.41.215 |
| NS | 2 | ns2.curanet.dk, ns1.curanet.dk |
| MX | 2 | mx1.onlinemail.io (pri: 10), mx2.onlinemail.io (pri: 20) |
| TXT | 2 | v=spf1 include:spf.onlinemail.io ?all, MS=ms20330458 |
| SOA | 1 | ns1.curanet.dk hostmaster.curanet.dk |
Analysis
Hierarchy
undertryk.dk is a parent of www.undertryk.dk and mail.undertryk.dk.
IP Addresses
undertryk.dk points to a single IP address: 185.21.41.215.
Other host names such as www.knb.gl, monthor.dk, midtjysk-autoindretning.dk, robusta.dk and bentjensen.eu share IP numbers with undertryk.dk.
Name Servers
undertryk.dk is delegated to two name servers: ns1.curanet.dk and ns2.curanet.dk.
undertryk.dk uses the same name server setup as other domains, including broager.dk, cityklinikken.com, hippolyt.dk, iprojekt.dk and aarosundbaadebyggeri.dk.
At least part of the name servers for undertryk.dk are shared with other domains, for instance mogensen-vvscomfort.com, multigardiner.dk, k(0x6e756465)dan.dk, chematec.com and it-factory.dk.
These name servers are commonly used alongside the name servers ns1.123hotel.dk.
Host names with two IP numbers:
ns1.curanet.dk points to 2a02:2339:4006:108::123 and 185.25.141.12.
ns2.curanet.dk points to 2a02:2339:1:10f::123:123 and 91.197.248.75.
Mail Servers
undertryk.dk is handled by two mail servers: mx1.onlinemail.io and mx2.onlinemail.io.
undertryk.dk uses the same mail server setup as other domains, for instance ahop.dk, visualdata.info, xn--snderjydskskoleforening-lmc.dk, mesterguiden.dk and filmporten.dk.
undertryk.dk shares at least some mail servers with other domains, for example gl-amstrup.dk, astrow.dk, rmb-1988.dk, gribskovefterskole.dk and columbusaqua.dk.
Hostnames with a single IP
mx1.onlinemail.io resolves to: 185.21.42.12.
mx2.onlinemail.io resolves to: 46.36.208.16.