tue-dahl.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 April 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 70.34.211.34 is hosted by The Constant Company, LLC (AS20473) in Sweden. Mail is handled by mail.tue-dahl.dk. 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 |
|---|---|---|---|---|---|---|---|
| 70.34.211.34 | — | mail.tue-dahl.dk | AS20473 | The Constant Company, LLC | 70.34.192.0/19 | 🇸🇪 Sweden | Spånga |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.tue-dahl.dk | 2a05:f480:2000:212d:5400:4ff:fe82:b4e7 70.34.211.34 |
tue-dahl.dk mail.tue-dahl.dk |
AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a05:f480:2000:212d:5400:4ff:fe82:b4e7 | — | tue-dahl.dk | AS20473 | The Constant Company, LLC | 2a05:f480:2000:0:0:0:0:0/36 | 🇸🇪 Sweden | Spånga |
| TXT Record |
|---|
| v=spf1 mx a:mail.tue-dahl.dk -all |
| Policy | Record (tue-dahl.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a:mail.tue-dahl.dk -all |
| Policy | Record (_dmarc.tue-dahl.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@tue-dahl.dk; fo=1 |
| www | 70.34.211.34 2a05:f480:2000:212d:5400:4ff:fe82:b4e7 (AS20473) (address records, no CNAME) |
| www vs bare domain | Same network tue-dahl.dk: 70.34.211.34 2a05:f480:2000:212d:5400:4ff:fe82:b4e7 (AS20473) www.tue-dahl.dk: 70.34.211.34 2a05:f480:2000:212d:5400:4ff:fe82:b4e7 (AS20473) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit |
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: 2/10 · 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 | 2026060901 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2021-04-04 |
| Expires | 2027-04-30 (184d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 15:24:24 | 1590ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 22:01:08 | 2369ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 21:17:54 | 3656ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 22:53:48 | 1533ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-20 00:46:19 | 2662ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 10:11:13 | 2146ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 09:14:17 | 888ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 19:02:52 | 2911ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 18:41:33 | 5126ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 01:57:10 | 4141ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-11 00:03:08 | 9158ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 17:40:30 | 929ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 01:48:45 | 1025ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 18:54:41 shown | 8905ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 16:58:54 | 2444ms | 2 NS 1 A 1 MX | 🔒 Secure |