mayday-rescue.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 January 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 144.91.97.254 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by maydayrescue-dk01e.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 144.91.97.254 | 600s | mail.justworks.dk | AS51167 | Contabo GmbH | 144.91.64.0/18 | 🇫🇷 France | Lauterbourg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| TXT Record |
|---|
| MS=ms23431510 |
| v=spf1 a ip4:95.128.27.10 ip4:95.128.27.9 include:spf.protection.outlook.com include:_spf_cd.spamtitan.com -all |
| Policy | Record (mayday-rescue.dk) |
|---|---|
| -all (hard fail) | v=spf1 a ip4:95.128.27.10 ip4:95.128.27.9 include:spf.protection.outlook.com include:_spf_cd.spamtitan.com -all |
| www CNAME | mayday-rescue.dk (all on mayday-rescue.dk) → 144.91.97.254 (AS51167) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · 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 | 2026062604 |
| 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 | ONE.COM A/S |
| Registered | 2009-01-26 |
| Expires | 2027-01-31 (100d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 07:27:12 | 1071ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 06:53:01 | 876ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 22:01:54 | 1391ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 20:34:47 | 855ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 22:53:10 | 1283ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 09:03:19 | 5625ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 05:21:53 shown | 1688ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 18:46:43 | 1352ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 00:39:46 | 1173ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:29:22 | 4129ms | 2 NS 1 A 1 MX | 🔒 Secure |