tetragun.dk

📜 Historical scan 2026-06-27 23:26:55  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tetragun.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 12 October 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is DNSSEC-signed and validates, has no 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.

🖥️ Nameservers#

4 records   126ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   233ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.100 600s dnsforward.simply.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-08 13:41:29
www94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domainSame network
tetragun.dk: 94.231.103.100 (AS48854)
www.tetragun.dk: 94.231.103.100 (AS48854)
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

294ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

208ms
FieldValue
Serial2020072990
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-21 07:33:29
FieldValue
RegistrarSimply.com A/S
Registered2018-10-12
Expires2027-10-31 (374d)

🔗 Same registrant#

5 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).

DomainRegistrar
abscissa.dkSimply.com A/S
decagon.dkSimply.com A/S
mediva.dkSimply.com A/S
tetragon.dkSimply.com A/S
tetragone.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
126ms
A
233ms
MX
179ms
AAAA
213ms
TXT
270ms
CAA
199ms
HTTPS
139ms
TLSA
53ms
SOA
208ms
MTA-STS
228ms
DNSSEC
294ms
SRV
214ms
Total
888ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-01 07:59:37 402ms 4 NS 1 A 0 MX 🔒 Secure
2026-10-01 05:44:54 514ms 4 NS 1 A 0 MX 🔒 Secure
2026-09-30 05:41:51 423ms 4 NS 1 A 0 MX 🔒 Secure
2026-09-19 08:18:26 427ms 4 NS 1 A 0 MX 🔒 Secure
2026-09-07 15:10:07 461ms 4 NS 1 A 0 MX 🔒 Secure
2026-06-27 23:26:55 shown 888ms 4 NS 1 A 0 MX 🔒 Secure
2026-06-17 23:01:17 887ms 4 NS 1 A 0 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone