byhistorie.dk

📜 Historical scan 2026-06-16 18:20:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byhistorie.dk is a .dk domain served by 2 nameservers (ns3.au.dk, ns4.au.dk). It was registered on 25 October 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 byhistorie-dk.u-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 65ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.au.dk	—	—	—
ns4.au.dk	—	—	—

🌍 A Records#

1 records 62ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.45.20.48	—	—	AS62138	Aarhus Universitet	185.45.20.0/22	🇩🇰 Denmark	Aarhus

📧 MX Records#

1 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	byhistorie-dk.u-v1.mx.microsoft	52.101.68.10 52.101.68.25 52.101.68.27 52.101.73.22	mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records 311ms

TXT Record
MS=ms75699110
MS=ms89821726
PCR/GKrS0/HIABH+LM9KUuUje4e63PqIHBzSSx4SVpByHityc5F19yWOyXJ7sah9OgrMt9LkcFEWh93YN/CcwA==
U1jiUvEbLe5KS05h8xre5mdz5ZRi8x59CTbcCeVJNAirfC9PY6Co54Oi9y/fIQvBrtkwYtVwUS7OqXoNPAcVQQ==
v=spf1 include:spf.au.dk ip4:87.238.248.0/24 ?all

✉️ SPF#

Policy	Record (byhistorie.dk)
?all (neutral)	v=spf1 include:spf.au.dk ip4:87.238.248.0/24 ?all

📨 DMARC#

Policy	Record (_dmarc.byhistorie.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 2026-10-21 23:35:15

www	185.45.20.48 (AS62138) (address records, no CNAME)
www vs bare domain	Same network byhistorie.dk: 185.45.20.48 (AS62138) www.byhistorie.dk: 185.45.20.48 (AS62138)
Wildcard	Yes: any name under the zone resolves
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

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

6 records 127ms

Service / Owner	Type	Cert association
SMTP _25._tcp.byhistorie-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.byhistorie-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…
SMTP _25._tcp.byhistorie-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…
SMTP _25._tcp.byhistorie-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.byhistorie-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…
SMTP _25._tcp.byhistorie-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…

🔐 DNSSEC#

164ms

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

🏷️ SOA#

58ms

Field	Value
Serial	8844
Primary NS (MNAME)	infobloxgm3.au.dk
Responsible (RNAME)	auit-dns@au.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 Registration#

WHOIS fetched 2026-10-19 17:34:48

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-10-25
Expires	2026-12-31 (70d)

🔗 Same registrant#

605 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)
agendasetting.dk	Simply.com A/S
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)

Showing 100 of 605.

📋 WHOIS#

⏱️ Lookup Timing#

65ms

62ms

64ms

AAAA

64ms

TXT

311ms

CAA

64ms

HTTPS

59ms

TLSA

127ms

SOA

58ms

MTA-STS

105ms

DNSSEC

164ms

SRV

0ms

Total

959ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 23:35:15	708ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-20 17:40:36	633ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-19 17:05:10	714ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-18 16:49:38	665ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-17 16:46:19	683ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-16 16:37:02	625ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-15 16:21:45	967ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-14 13:17:24	1303ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 11:55:45	674ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-12 06:55:22	1120ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 03:09:09	605ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 00:18:59	1509ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 13:39:49	921ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 13:33:05	927ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-06 13:07:55	617ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 12:49:35	857ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 12:32:59	3504ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 12:28:26	955ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 12:26:25	613ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 12:25:14	882ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 12:19:49	721ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 00:17:59	700ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 07:00:22	818ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 06:40:55	843ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 06:16:45	770ms	2 NS 1 A 1 MX	🔒 Secure