undercut.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.223 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod16-cph3.g1i.one.com, mx2.mailpod16-cph3.g1i.one.com and 2 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.215.223 | 3600s | webcluster1.webpod18-cph3.g1i.one | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.mailpod16-cph3.g1i.one.com | 5.249.232.33 | mx1.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod16-cph3.g1i.one.com | 5.249.232.34 | mx2.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod16-cph3.g1i.one.com | 5.249.232.35 | mx3.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod16-cph3.g1i.one.com | 5.249.232.36 | mx4.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:108:f8:32bb:d00e:1bf7 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (undercut.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.undercut.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 46.30.215.223 2a02:2350:5:108:f8:32bb:d00e:1bf7 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network undercut.dk: 46.30.215.223 2a02:2350:5:108:f8:32bb:d00e:1bf7 (AS51468) www.undercut.dk: 46.30.215.223 2a02:2350:5:108:f8:32bb:d00e:1bf7 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092301 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 14:16:36 | 757ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 13:24:39 shown | 701ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-22 09:22:28 | 2122ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 11:07:07 | 183ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-26 09:54:36 | 161ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-24 20:50:44 | 159ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-23 20:14:58 | 754ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-22 19:14:12 | 943ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-21 19:02:33 | 4928ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-20 18:57:30 | 4187ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-19 17:30:17 | 1136ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-18 17:26:45 | 2809ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-17 12:49:31 | 1638ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-16 05:19:45 | 727ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-15 00:34:01 | 1626ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-13 06:07:12 | 1207ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-12 02:36:56 | 755ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-10 07:29:11 | 1479ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-08 07:12:49 | 625ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-06 22:31:56 | 2960ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-29 23:14:14 | 703ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-27 22:17:07 | 9702ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 10:20:50 | 410ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-19 13:58:06 | 1083ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 21:46:25 | 441ms | 3 NS 1 A 0 MX | 🔒 Secure |