halfdane.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 19 November 1998 (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 mail.protonmail.ch, mailsec.protonmail.ch. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 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 |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | s.multiscreensite.com → 76.223.58.8 |
| 🔶 Autoconfig | s.multiscreensite.com → 76.223.58.8 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| TXT Record |
|---|
| protonmail-verification=9bcc9d026fc638024dd9c08128281f5ae8c3421c |
| v=DMARC1; p=quarantine |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (halfdane.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.halfdane.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:halfdane.dk@rua.dmarcdkim.io; ruf=mailto:halfdane.dk@ruf.dmarcdkim.io; adkim=s; aspf=r; ri=3600; fo=0:1:d:s |
| www CNAME | s.multiscreensite.com (all on multiscreensite.com) |
| www vs bare domain | Different networks halfdane.dk: 100.24.208.97 35.172.94.1 (AS14618) (all like this)www.halfdane.dk: 13.248.175.166 76.223.58.8 (AS16509) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.halfdane.dk | s.multiscreensite.com |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026091001 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@halfdane.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | GIGAHOST ApS |
| Registered | 1998-11-19 |
| Expires | 2028-12-31 (806d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 23:00:18 | 1173ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-08 12:57:41 | 1050ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-01 04:05:49 | 2895ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-24 02:40:49 | 2242ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-17 16:03:29 | 1329ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-11 02:27:22 shown | 1227ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-06 05:43:08 | 1357ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-27 15:07:12 | 2130ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-20 10:08:51 | 17879ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-13 14:00:26 | 1790ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-09 04:32:37 | 1434ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-01 06:05:26 | 1648ms | 5 NS 2 A 2 MX | ❓ Unknown |
| 2026-07-23 11:12:15 | 1404ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-17 08:28:23 | 1536ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-14 16:01:28 | 3261ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-03 07:03:39 | 2668ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-25 20:07:09 | 942ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-24 22:36:32 | 1211ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-23 22:15:50 | 806ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-23 13:59:39 | 868ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-23 10:33:05 | 1012ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-21 12:22:46 | 1089ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 10:42:26 | 1124ms | 5 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 10:38:57 | 1068ms | 5 NS 2 A 2 MX | 🔓 Insecure |