rettid.dk

📜 Historical scan 2026-10-12 02:11:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rettid.dk is a .dk domain served by 2 nameservers (ns3.au.dk, ns4.au.dk). It was registered on 3 May 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.45.20.48 is hosted by Aarhus Universitet (AS62138) in Denmark. Mail is handled by rettid-dk.w-v1.mx.microsoft. The zone is DNSSEC-signed and validates, 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.

🖥️ Nameservers#

2 records 20ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.au.dk	20.73.178.34	ns3.au.dk	AS8075 Microsoft Corporation
ns4.au.dk	185.45.20.154	ns4.au.dk	AS62138 Aarhus Universitet

🌍 A Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.45.20.48	900s	net.cavi.dk	AS62138	Aarhus Universitet	185.45.20.0/22	🇩🇰 Denmark	Aarhus

📧 MX Records#

1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	900s	rettid-dk.w-v1.mx.microsoft	2a01:111:f403:c967::8 2a01:111:f403:ca04::f 2a01:111:f403:ca09::20 2a01:111:f403:ca3c::a 52.101.103.137 52.101.103.39 52.101.68.25 52.101.68.27	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 133ms

TXT Record
m+ib52HgRyLKKXpoKrVLCHwlKkt9A/M4/t0KSCpngJ4oBpy1M/feUtO24TXbEZBqh30EWuQIpbyJseR9tgZ+4w==
v=msv1 t=ACEC4DAA-8F71-4B7A-BF61-05179ED7BA3D
v=spf1 include:spf.au.dk -all
Wppbb6NDArKysvAQN0aiK+dDlb2ohDuV8RgKKrRFiY/APaMhvedGPyzUy31mwAndhNegxZbqkrx8r7gbSzVLhw==

✉️ SPF#

Policy	Record (rettid.dk)
-all (hard fail)	v=spf1 include:spf.au.dk -all

📨 DMARC#

Policy	Record (_dmarc.rettid.dk)
p=reject	v=DMARC1;p=reject;pct=100;rua=mailto:ced1e70d2c70635@rep.dmarcanalyzer.com;ruf=mailto:ced1e70d2c70635@for.dmarcanalyzer.com;aspf=r;

📬 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 2026-10-20 18:03:38

www	185.45.20.48 (AS62138) (address records, no CNAME)
www vs bare domain	Same network rettid.dk: 185.45.20.48 (AS62138) www.rettid.dk: 185.45.20.48 (AS62138)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records 89ms

Service / Owner	Type	Cert association
SMTP _25._tcp.rettid-dk.w-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.rettid-dk.w-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.rettid-dk.w-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.rettid-dk.w-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…

🔐 DNSSEC#

123ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

38ms

Field	Value
Serial	2014085891
Primary NS (MNAME)	infobloxgm3.au.dk
Responsible (RNAME)	staff@au.dk
Refresh	3600s
Retry	360s
Expire	3600000s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-16 14:34:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-05-03
Expires	2027-06-30 (251d)

🔗 Same registrant#

602 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).

Domain	Registrar
1mmper100y.dk	Punktum dk A/S (direct)
9april1940.dk	Punktum dk A/S (direct)
aaasc.dk	Punktum dk A/S (direct)
aaeu.dk	Punktum dk A/S (direct)
aarhus-bss.dk	Punktum dk A/S (direct)
aarhus-uni.dk	Punktum dk A/S (direct)
aarhusbotaniskehave.dk	Punktum dk A/S (direct)
aarhusbss.dk	Punktum dk A/S (direct)
aarhusbusinessuniversity.dk	Punktum dk A/S (direct)
aarhuslifescience.dk	Punktum dk A/S (direct)
aarhusuniversitet.dk	Punktum dk A/S (direct)
aasbss.dk	AARHUS UNIVERSITET
aaubot.dk	Punktum dk A/S (direct)
aauherbarium.dk	Punktum dk A/S (direct)
accountingdictionary.dk	Punktum dk A/S (direct)
acrobatic.dk	Simply.com A/S
acutemedicine.dk	Punktum dk A/S (direct)
adaptivmusik.dk	Punktum dk A/S (direct)
addition10.dk	Punktum dk A/S (direct)
afmagt.dk	AARHUS UNIVERSITET
afn.dk	Punktum dk A/S (direct)
aglance.dk	Punktum dk A/S (direct)
agrisci.dk	Punktum dk A/S (direct)
agrivolt.dk	AARHUS UNIVERSITET
agroecology.dk	Punktum dk A/S (direct)
agrsci.dk	Punktum dk A/S (direct)
agse.dk	Punktum dk A/S (direct)
akademisk-dannelse.dk	Punktum dk A/S (direct)
akademiskdannelse.dk	Punktum dk A/S (direct)
aktuelnaturvidenskab.dk	Punktum dk A/S (direct)
aktuelviden.dk	Punktum dk A/S (direct)
akutforskning.dk	Punktum dk A/S (direct)
alfam.dk	Punktum dk A/S (direct)
almass.dk	Punktum dk A/S (direct)
animalgenetics.dk	Punktum dk A/S (direct)
animalgenomics.dk	Punktum dk A/S (direct)
annatto.dk	Punktum dk A/S (direct)
ant-manure.dk	Punktum dk A/S (direct)
antikmuseet.dk	Punktum dk A/S (direct)
aphandra.dk	Punktum dk A/S (direct)
artemisiaprojekt.dk	Punktum dk A/S (direct)
asb.dk	Punktum dk A/S (direct)
asbcast.dk	Punktum dk A/S (direct)
asbfest.dk	Punktum dk A/S (direct)
asbss.dk	Punktum dk A/S (direct)
asbstudent.dk	Punktum dk A/S (direct)
asbyoualumni.dk	Punktum dk A/S (direct)
astronomibloggen.dk	Punktum dk A/S (direct)
au-clinical.dk	AARHUS UNIVERSITET
au-sat.dk	Punktum dk A/S (direct)
au.dk	Punktum dk A/S (direct)
aubot.dk	Punktum dk A/S (direct)
aucdn.dk	Punktum dk A/S (direct)
audev.dk	AARHUS UNIVERSITET
aufoodscience.dk	Punktum dk A/S (direct)
auh-clinical.dk	AARHUS UNIVERSITET
auherbarium.dk	Punktum dk A/S (direct)
auherning.dk	AARHUS UNIVERSITET
aujob.dk	Punktum dk A/S (direct)
aukrise.dk	Punktum dk A/S (direct)
aumso2.dk	Punktum dk A/S (direct)
ausat.dk	Punktum dk A/S (direct)
autest.dk	AARHUS UNIVERSITET
authorsinaarhus.dk	Punktum dk A/S (direct)
autravel.dk	Punktum dk A/S (direct)
backtobusiness.dk	Punktum dk A/S (direct)
badm.dk	Punktum dk A/S (direct)
behandlingsportalen.dk	Punktum dk A/S (direct)
beisa.dk	Punktum dk A/S (direct)
beready.dk	Punktum dk A/S (direct)
betterbarleybynbt.dk	Punktum dk A/S (direct)
bibfilm.dk	Punktum dk A/S (direct)
biclabs.dk	Punktum dk A/S (direct)
biforskning.dk	Punktum dk A/S (direct)
biobase.dk	Punktum dk A/S (direct)
biochange.dk	Punktum dk A/S (direct)
biodiversitetsraadet.dk	Punktum dk A/S (direct)
biodiversitetsrådet.dk	Punktum dk A/S (direct)
biodiversity-in-the-silicon-age.dk	Punktum dk A/S (direct)
biodivraadet.dk	Punktum dk A/S (direct)
biodivrådet.dk	Punktum dk A/S (direct)
biodjurs.dk	Punktum dk A/S (direct)
bioinformatik.dk	Punktum dk A/S (direct)
biomedicaldesign.dk	Simply.com A/S
bionoegle.dk	Punktum dk A/S (direct)
biophys.dk	AARHUS UNIVERSITET
bioraadet.dk	Punktum dk A/S (direct)
bioresource.dk	Punktum dk A/S (direct)
biorådet.dk	Punktum dk A/S (direct)
biosafetrain.dk	Punktum dk A/S (direct)
biozinc.dk	Punktum dk A/S (direct)
birc.dk	Punktum dk A/S (direct)
bliv-astronaut.dk	Punktum dk A/S (direct)
blivastronaut.dk	Punktum dk A/S (direct)
blodsukkerdata.dk	Punktum dk A/S (direct)
blodtryksdata.dk	Punktum dk A/S (direct)
bookstudievalg.dk	Punktum dk A/S (direct)
borgernesitsikkerhed.dk	Punktum dk A/S (direct)
borneforsk.dk	Punktum dk A/S (direct)
brics.dk	Punktum dk A/S (direct)

Showing 100 of 602.

📋 WHOIS#

⏱️ Lookup Timing#

20ms

41ms

48ms

AAAA

36ms

TXT

133ms

CAA

47ms

HTTPS

40ms

TLSA

89ms

SOA

38ms

MTA-STS

53ms

DNSSEC

123ms

SRV

100ms

Total

757ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-20 18:03:38	626ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-19 15:39:35	791ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-18 14:31:04	634ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-17 14:19:41	547ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-16 14:14:35	531ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-15 13:19:02	1980ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-14 12:22:28	561ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 05:27:39	2209ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-12 02:11:40 shown	757ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 01:05:57	558ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 00:14:56	1139ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 14:48:49	937ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 14:37:20	1666ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-06 10:58:39	652ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 10:25:56	980ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 10:22:04	2111ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 10:20:40	925ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 10:20:28	1964ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 10:17:30	944ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 10:11:10	790ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 10:03:36	796ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 09:36:14	830ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 09:23:06	924ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 09:07:35	789ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 09:03:00	9552ms	2 NS 1 A 1 MX	🔒 Secure