ummail.dk is a .dk domain served by 2 nameservers (ns6.sitnet.dk, ns7.sitnet.dk). It was registered on 9 January 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.88.99.134 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by qmail.tdchosting.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns6.sitnet.dk | 107.162.234.197 2604:e180:1071::3:1 |
— — |
AS55002 F5, Inc. AS55002 F5, Inc. |
| ns7.sitnet.dk | 107.162.176.221 2604:e180:1071::ffff:6ba2:b0dd |
— — |
AS55002 F5, Inc. AS55002 F5, Inc. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 193.88.99.134 | 3600s | — | AS3292 | TDC Holding A/S | 193.88.0.0/15 | 🇩🇰 Denmark | Esbjerg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | qmail.tdchosting.dk | 212.237.249.153 | — | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| 5c1ZN59F2LwOOW3NVhi/EtW2stOBltscIenTxkDFsgw= |
| v=spf1 a mx ip4:185.64.73.111 ip4:188.64.157.7 ip4:188.64.157.6 ip4:185.153.154.195 ip4:31.31.82.178 include:apsisone.com include:_spf.anpdm.com include:uxmail.io redirect=tdcwebmore.dk include:spf.ubivox.com -all |
| Policy | Record (ummail.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx ip4:185.64.73.111 ip4:188.64.157.7 ip4:188.64.157.6 ip4:185.153.154.195 ip4:31.31.82.178 include:apsisone.com include:_spf.anpdm.com include:uxmail.io redirect=tdcwebmore.dk include:spf.ubivox.com -all |
| Policy | Record (_dmarc.ummail.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com; |
| www CNAME | ummail.dk (all on ummail.dk) → 193.88.99.134 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 7/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 628 |
| Primary NS (MNAME) | ns6.sitnet.dk |
| Responsible (RNAME) | hostmaster@statens-it.dk |
| Refresh | 900s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-01-09 |
| Expires | 2027-01-31 (105d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
Showing 100 of 1,790.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 20:23:31 shown | 17992ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-16 19:35:12 | 11510ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 19:03:47 | 3262ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 18:57:34 | 18068ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 18:12:28 | 17404ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 12:32:12 | 1720ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 08:26:58 | 17477ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-10 07:26:44 | 7062ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 04:59:04 | 18948ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 04:55:46 | 10269ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 04:48:13 | 7313ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 03:33:54 | 18288ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 03:28:42 | 18385ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 03:08:16 | 7098ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 04:36:34 | 3383ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 04:35:55 | 19585ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 04:31:36 | 10461ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 04:09:56 | 2310ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 04:02:28 | 2242ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 03:40:05 | 18334ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 03:30:01 | 2654ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 03:19:40 | 18347ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 03:01:34 | 18416ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 02:27:30 | 18241ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 03:22:14 | 18466ms | 2 NS 1 A 1 MX | 🔒 Secure |