t-gudiksen.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 12 February 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 100.24.208.97 is hosted by Amazon.com, Inc. (AS14618) in United States. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is DNSSEC-signed and validates, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 100.24.208.97 | 3600s | staticip2.multiscreensite.com | AS14618 | Amazon.com, Inc. | 100.24.0.0/13 | 🇺🇸 United States | Ashburn |
| 35.172.94.1 | 3600s | staticip.multiscreensite.com | AS14618 | Amazon.com, Inc. | 35.168.0.0/13 | 🇺🇸 United States | Ashburn |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 10 | 3600s | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover-mf.onlinemail.io → 185.21.40.62 |
| TXT Record |
|---|
| v=spf1 a include:spf.curanet.dk include:spf.simply.com -all |
| Policy | Record (t-gudiksen.dk) |
|---|---|
| -all (hard fail) | v=spf1 a include:spf.curanet.dk include:spf.simply.com -all |
| www CNAME | s.multiscreensite.com (all on multiscreensite.com) |
| www vs bare domain | Different networks t-gudiksen.dk: 100.24.208.97 35.172.94.1 (AS14618) (all like this)www.t-gudiksen.dk: 13.248.175.166 76.223.58.8 (AS16509) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 5/10 · 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 | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2008-02-12 |
| Expires | 2027-02-28 (128d) |
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 |
|---|---|---|---|
| 2026-10-13 14:33:26 shown | 450ms | 4 NS 2 A 2 MX | 🔒 Secure |
| 2026-10-08 06:32:19 | 460ms | 4 NS 2 A 2 MX | 🔒 Secure |
| 2026-10-02 15:01:25 | 391ms | 4 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-25 14:02:58 | 517ms | 4 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-24 23:27:30 | 773ms | 4 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-24 05:01:05 | 2643ms | 4 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-24 03:20:33 | 1034ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-24 00:46:37 | 925ms | 4 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-22 06:40:00 | 1173ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 03:40:39 | 833ms | 4 NS 2 A 2 MX | 🔒 Secure |