onceafrog.dk is a .dk domain served by 3 nameservers (a.ns.netic.dk, b.ns.netic.dk, c.ns.netic.dk). It was registered on 22 March 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.243.53.202 is hosted by Netic A/S (AS42697) in Denmark. Mail is handled by mxfilter01.netic.dk, mxfilter02.netic.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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.243.53.202 | 28800s | mni.hosted.netic.dk | AS42697 | Netic A/S | 77.243.48.0/20 | 🇩🇰 Denmark | Aalborg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 28800s | mxfilter01.netic.dk | 2a03:dc80:0:f136::207 77.243.50.207 |
mxfilter01.netic.dk mxfilter01.netic.dk |
AS42697 Netic A/S AS42697 Netic A/S |
| 10 | 28800s | mxfilter02.netic.dk | 2a03:dc80:0:f136::213 77.243.50.213 |
mxfilter02.netic.dk mxfilter02.netic.dk |
AS42697 Netic A/S AS42697 Netic A/S |
| TXT Record |
|---|
| google-site-verification=3KI6QaQg-yR2jiA5fM9qxmvJCcA-XmbeP8ZRGd0kpo0 |
| google-site-verification=4Oe9UQYsv20KDtsuopznuR_lkYk_bdeaK3O-dcWj2sQ |
| google-site-verification=eSG5P3-SJj-qNbUtQ98Th0EtzvbL69Qsj3LiaxauIGk |
| google-site-verification=ev4MqX3IwXgXzyx9PAP5SLeeiOyTeSWN2DZ76wmb-0c |
| google-site-verification=SZIjXGOY_3gIr2koJkAv-LQYYwAjpRpz6GEUup5LugY |
| v=spf1 include:_spf.netic.dk include:_spf.google.com -all |
| Policy | Record (onceafrog.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.netic.dk include:_spf.google.com -all |
| Policy | Record (_dmarc.onceafrog.dk) |
|---|---|
| p=quarantine | v=DMARC1;p=quarantine;rua=mailto:9c6a2ee818@rua.easydmarc.eu;ruf=mailto:9c6a2ee818@ruf.easydmarc.eu;fo=1; |
| Flags | Tag | Value |
|---|---|---|
| 1 | issue | letsencrypt.org |
| www CNAME | mni.hosted.netic.dk (all on netic.dk) → 77.243.53.202 (AS42697) |
| 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: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mxfilter01.netic.dk | DANE-EE · SPKI · SHA-256 | 9C88565DA92996EEE441AC9CED4B3F5C… |
| SMTP _25._tcp.mxfilter02.netic.dk | DANE-EE · SPKI · SHA-256 | 9C88565DA92996EEE441AC9CED4B3F5C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 6440 |
| Primary NS (MNAME) | a.ns.netic.dk |
| Responsible (RNAME) | hostmaster@netic.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 60s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2011-03-22 |
| Expires | 2027-03-31 (165d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 04:37:25 | 812ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-14 23:43:05 | 1785ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-13 23:32:57 shown | 818ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-12 22:39:41 | 957ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-11 20:37:32 | 961ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-10 19:38:34 | 642ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-09 15:35:58 | 730ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-08 12:39:16 | 4974ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-07 12:15:43 | 2200ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-06 01:49:07 | 943ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-05 01:45:13 | 940ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-04 01:25:49 | 3310ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-03 01:24:21 | 1342ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 01:22:32 | 672ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 01:06:38 | 1647ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 00:59:50 | 1201ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 00:59:09 | 970ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 00:46:40 | 2576ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-28 00:27:14 | 1983ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-27 00:09:19 | 972ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 23:48:16 | 845ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 23:34:38 | 644ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 23:24:52 | 2823ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-22 17:30:47 | 666ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-20 07:27:34 | 1140ms | 3 NS 1 A 2 MX | 🔒 Secure |