firkantnet.dk

📜 Historical scan 2026-08-12 01:11:58  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

firkantnet.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 December 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 168.119.205.83 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.firkantnet.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   104ms

🌍 A Records#

1 records   81ms

📧 MX Records#

1 records   116ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverfirkantnet.dk → 168.119.205.83
🔶 Autoconfigfirkantnet.dk → 168.119.205.83

🔷 AAAA Records (IPv6)#

1 records   108ms

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   246ms
TXT Record
v=spf1 a:mail.firkantnet.dk ip4:176.9.155.14 ip6:2a01:4f8:160:411c:: ~all

✉️ SPF#

PolicyRecord (firkantnet.dk)
~all (soft fail) v=spf1 a:mail.firkantnet.dk ip4:176.9.155.14 ip6:2a01:4f8:160:411c:: ~all

📨 DMARC#

PolicyRecord (_dmarc.firkantnet.dk)
p=reject v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:dmarc@firkantnet.dk;ruf=mailto:dmarc@firkantnet.dk;ri=86400;aspf=r;adkim=r;fo=1;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-01 02:25:38
www CNAMEfirkantnet.dk (all on firkantnet.dk)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
dkim — RSA · ~1024 bit below 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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.firkantnet.dk uHhoJv9ELKjEGdHqLFIcadF7jPU9Bkd3oyT7-wyRhKs

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

155ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

78ms
FieldValue
Serial2026032401
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-18 15:01:56
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2001-12-27
Expires2026-12-31 (73d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
104ms
A
81ms
MX
116ms
AAAA
108ms
TXT
246ms
CAA
82ms
HTTPS
103ms
TLSA
270ms
SOA
78ms
MTA-STS
144ms
DNSSEC
155ms
SRV
114ms
Total
5436ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-01 02:25:38 1423ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-26 01:25:18 1022ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-22 11:14:41 1278ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-26 17:14:36 2987ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-12 01:11:58 shown 5436ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-03 01:24:50 10050ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-17 10:14:03 1274ms 2 NS 1 A 1 MX 🔒 Secure
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