arendals.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 1 October 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.101.78 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.simply.com. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 94.231.101.78 | 3600s | nt12.unoeuro.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 94.231.101.78 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (arendals.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| Policy | Record (_dmarc.arendals.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www | 80.209.69.26 (AS44869) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025041905 |
| 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 | dns.services ApS |
| Registered | 2003-10-01 |
| Expires | 2033-10-31 (2569d) |
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).
| Domain | Registrar |
|---|---|
| ahost.dk | dns.services ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 21:04:40 | 598ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-30 06:47:12 | 3962ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-24 00:26:07 | 794ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-23 01:25:55 | 1153ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-13 04:18:59 | 1477ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-01 03:47:55 | 782ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-09 20:05:31 | 25024ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-14 08:42:39 | 2465ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-10 16:23:24 | 1814ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-24 17:23:06 shown | 690ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 13:25:05 | 719ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 05:33:13 | 617ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 12:59:27 | 1531ms | 3 NS 1 A 1 MX | 🔒 Secure |