aupairagent.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 2 November 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.251.4.118 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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 |
|---|---|---|---|---|---|---|---|
| 178.251.4.118 | 600s | vm0845.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 178.251.0.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms95378070 |
| protonmail-verification=d71e562469d32002931b6a68ad9db20c2a87d275 |
| v=spf1 include:_spf.mlsend.com include:servers.mcsv.net include:_spf.protonmail.ch -all |
| Policy | Record (aupairagent.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.mlsend.com include:servers.mcsv.net include:_spf.protonmail.ch -all |
| www | 178.251.4.118 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
| s1 | s1.domainkey.u13060478.wl229.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u13060478.wl229.sendgrid.net | RSA · ~1024 bit below 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: 4/10 · policy: -all
No problems found| 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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026093000 |
| 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 | 2015-11-02 |
| Expires | 2026-11-30 (44d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 22:27:40 shown | 537ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 05:40:57 | 931ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-28 05:44:41 | 635ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-14 19:49:20 | 582ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 16:06:38 | 831ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-04 09:14:35 | 1074ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 09:24:50 | 1296ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 14:56:27 | 1177ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 13:50:12 | 902ms | 4 NS 1 A 1 MX | 🔒 Secure |