frellsen.dk is a .dk domain served by 2 nameservers (ns1.onwelcom.dk, ns2.onwelcom.dk). It was registered on 24 February 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.95.249.144 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by spamfilter.pro.dk. The zone is not DNSSEC-signed, 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.onwelcom.dk | 185.51.79.241 | mail.onwelcom.dk | AS205984 Powernet Aps |
| ns2.onwelcom.dk | 185.51.79.251 | — | AS205984 Powernet Aps |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 81.95.249.144 | 86400s | — | AS48854 | team.blue Denmark A/S | 81.95.240.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | spamfilter.pro.dk | 37.140.219.69 | spamfilter.pro.dk | AS31027 GlobalConnect A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 109.70.55.21 |
| TXT Record |
|---|
| google-site-verification=_HTxLStEns74lApiwvNH7IpGoGNajIQe5ZLIC1kUbCE |
| google-site-verification=dVLVAyh34pWwjd6TBFXZKkc91243GDN09OPFHSozTYs |
| google-site-verification=iszxU0HPwaMgu3V4gcjdsrHv4oNeUtZnpLMGOrW9GB4 |
| klaviyo-site-verification=ScPy9W |
| MS=ms38271034 |
| v=spf1 a:spamfilter.pro.dk ip4:109.70.55.18 ip4:81.95.249.144 include:_spf.mlsend.com include:spf.messagelabs.com include:emsd1.com include:shops.shopify.com -all |
| Policy | Record (frellsen.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:spamfilter.pro.dk ip4:109.70.55.18 ip4:81.95.249.144 include:_spf.mlsend.com include:spf.messagelabs.com include:emsd1.com include:shops.shopify.com -all |
| Policy | Record (_dmarc.frellsen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc@frellsen.dk; |
| www | Address record (no CNAME) |
| Wildcard | No |
DNS lookups: 7/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2022071135 |
| Primary NS (MNAME) | ns1.onwelcom.dk |
| Responsible (RNAME) | hostmaster@frellsen.dk |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1997-02-24 |
| Expires | 2027-03-31 (165d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 00:59:18 | 930ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 00:50:25 | 685ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 00:23:30 | 487ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 15:23:35 | 860ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 22:05:44 shown | 657ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 09:31:20 | 779ms | 2 NS 1 A 2 MX | 🔓 Insecure |