rettenøgle.dk xn--rettengle-q8a.dk

📜 Historical scan 2026-07-26 09:25:28  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rettenøgle.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 3 October 2011 (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   8059ms
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   8071ms
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 11:17:07
www94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domainSame network
rettenøgle.dk: 94.231.103.100 (AS48854)
www.rettenøgle.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#

185ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

70ms
FieldValue
Serial2022020704
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-16 02:23:14
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2011-10-03
Expires2027-10-31 (369d)

🔗 Same registrant#

55 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
aflever.dkSimply.com A/S
bedreengelsk.dkPunktum dk A/S (direct)
betterstudents.dkSimply.com A/S
danmarksbedstestil.dkSimply.com A/S
danskagenten.dkSimply.com A/S
danskhistorieopgave.dkPunktum dk A/S (direct)
dansklitteraturhistorie.dkSimply.com A/S
danskrettenoegle.dkSimply.com A/S
danskrettenøgle.dkSimply.com A/S
e-study.dkSimply.com A/S
engelskrettenoegle.dkSimply.com A/S
erdetstudenteruge.dkSimply.com A/S
findtutor.dkSimply.com A/S
franskbogen.dkPunktum dk A/S (direct)
gdf.dkPunktum dk A/S (direct)
godekarakterer.dkSimply.com A/S
godeopgaver.dkSimply.com A/S
graduate.dkSimply.com A/S
grammatikbog.dkPunktum dk A/S (direct)
guldnoter.dkPunktum dk A/S (direct)
gydf.dkSimply.com A/S
gymhjælpen.dkSimply.com A/S
kildekritik.dkSimply.com A/S
laererstuderende.dkPunktum dk A/S (direct)
laerogleg.dkSimply.com A/S
lektieportal.dkSimply.com A/S
lærengelsk.dkSimply.com A/S
lærernet.dkSimply.com A/S
lærerstuderende.dkSimply.com A/S
lærogleg.dkSimply.com A/S
notenet.dkSimply.com A/S
opgavehjælp.dkSimply.com A/S
opgavenet.dkSimply.com A/S
opgaver.dkPunktum dk A/S (direct)
paedagogstuderende.dkSimply.com A/S
privatlaerer.dkSimply.com A/S
pædagogstuderende.dkSimply.com A/S
schulhilfeverlag.dkSimply.com A/S
skolehjaelpen.dkPunktum dk A/S (direct)
srp-bog.dkSimply.com A/S
srp-bogen.dkSimply.com A/S
srpbog.dkSimply.com A/S
sso-bogen.dkSimply.com A/S
studenter-rabat.dkSimply.com A/S
studentmedia.dkSimply.com A/S
studentmediagroup.dkSimply.com A/S
studieportal.dkSimply.com A/S
studieportalen.dkPunktum dk A/S (direct)
studierabatten.dkSimply.com A/S
studieweb.dkSimply.com A/S
studinet.dkSimply.com A/S
summacumlaude.dkPunktum dk A/S (direct)
tyskbogen.dkPunktum dk A/S (direct)
wwwstudienet.dkSimply.com A/S
wwwstudieportalen.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
8059ms
A
8071ms
MX
88ms
AAAA
79ms
TXT
196ms
CAA
8056ms
HTTPS
8056ms
TLSA
28ms
SOA
70ms
MTA-STS
66ms
DNSSEC
185ms
SRV
8075ms
Total
24555ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-02 01:04:09 1877ms 4 NS 1 A 0 MX 🔒 Secure
2026-07-26 09:25:28 shown 24555ms 4 NS 1 A 0 MX 🔒 Secure
2026-06-27 01:53:02 2663ms 4 NS 1 A 0 MX 🔒 Secure
2026-06-21 19:03:15 868ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 20:01:35 3065ms 4 NS 1 A 0 MX 🔒 Secure
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