r16.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 15 August 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.213.206.97 is hosted by Telenor A/S (AS9158) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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 |
|---|---|---|---|---|---|---|---|
| 77.213.206.97 | 3600s | 077213206097.dynamic.telenor.dk | AS9158 | Telenor A/S | 77.212.0.0/14 | 🇩🇰 Denmark | Brønshøj |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.213.206.97 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| protonmail-verification=e474fb401e66d2e03e2fe3f48992e91a7847471d |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (r16.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.r16.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 90.185.142.242 (AS203953) (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 |
DNS lookups: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026060604 |
| 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 | 2022-08-15 |
| Expires | 2027-08-14 (297d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 04:50:50 | 1523ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 15:06:41 | 761ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 14:56:28 | 721ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 14:21:59 | 759ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 17:47:17 | 702ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-20 00:32:43 | 649ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-09 17:30:13 | 1341ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-03 13:11:47 | 2501ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 13:35:07 | 578ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-11 18:23:57 | 1093ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-29 01:14:31 | 847ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 14:06:34 | 3676ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 02:57:24 | 1184ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 18:56:44 shown | 761ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 15:19:46 | 626ms | 4 NS 1 A 2 MX | 🔒 Secure |