semafor.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 7 November 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 90.185.86.253 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by semafor.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 90.185.86.253 | 3600s | x5ab956fd.customers.hiper-net.dk | AS203953 | Hiper A/S | 90.184.0.0/15 | 🇩🇰 Denmark | Rødovre Municipality |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | semafor.dk | 2a05:f6c4:d6c9:0:1a92:c759:7f7:3df7 90.185.86.253 |
— x5ab956fd.customers.hiper-net.dk |
AS203953 Hiper A/S AS203953 Hiper A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a05:f6c4:d6c9:0:1a92:c759:7f7:3df7 | 3600s | — | AS203953 | Hiper A/S | 2a05:f6c0:0:0:0:0:0:0/29 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (semafor.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.semafor.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; adkim=s; aspf=s; fo=1; rua=mailto:dmarc@semafor.dk; ruf=mailto:dmarc@semafor.dk; |
| Flags | Tag | Value |
|---|---|---|
| 128 | issue | letsencrypt.org;validationmethods=http-01 |
| www CNAME | semafor.dk (all on semafor.dk) |
| www vs bare domain | Same network semafor.dk: 90.185.86.253 2a05:f6c4:d6c9:0:1a92:c759:7f7:3df7 (AS203953) www.semafor.dk: 90.185.86.253 2a05:f6c4:d6c9:0:1a92:c759:7f7:3df7 (AS203953) |
| Wildcard | No |
| 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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| 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 | 2022-11-07 |
| Expires | 2027-11-06 (381d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 21:04:40 shown | 945ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 21:34:51 | 626ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 01:53:57 | 844ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 20:03:53 | 1165ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 01:01:24 | 626ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 05:07:35 | 825ms | 3 NS 1 A 1 MX | 🔒 Secure |