a1rejser.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was registered on 16 May 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.237.96.43 is hosted by Kamatera Inc (AS204548) in Germany. Mail is handled by mail.flexmail.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.dns.services | — | — | — |
| ns2.dns.services | — | — | — |
| ns3.dns.services | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.237.96.43 | — | yjp1.nc4julyloh.com | AS204548 | Kamatera Inc | 185.237.96.0/23 | 🇩🇪 Germany | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.flexmail.dk | 185.237.96.43 | yjp1.nc4julyloh.com | AS204548 Kamatera Inc |
| TXT Record |
|---|
| v=spf1 a mx ip4:81.4.123.120 ip6:2a00:d880:5:b1c::a8c3 -all |
| Policy | Record (a1rejser.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx ip4:81.4.123.120 ip6:2a00:d880:5:b1c::a8c3 -all |
| Policy | Record (_dmarc.a1rejser.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none; fo=; ri=3600 |
| www | 57.129.53.233 (AS16276) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.flexmail.dk | DANE-EE · SPKI · SHA-256 | 60A9E5B20435E2B0F67F082407B359A5… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2022101626 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-05-16 |
| Expires | 2028-04-30 (559d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-07 20:06:38 | 845ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 10:00:12 | 750ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-09 00:09:05 | 1984ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 20:41:02 | 684ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 14:33:15 | 714ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 12:43:17 shown | 624ms | 3 NS 1 A 1 MX | 🔒 Secure |