s2s.dk

📜 Historical scan 2026-10-02 07:47:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

s2s.dk is a .dk domain served by 2 nameservers (ns3.au.dk, ns4.au.dk). It was registered on 17 January 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.225.18.54 is hosted by IDDQD-AS (AS1835) in Denmark. 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 45ms

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 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.225.18.54	900s	aus.au.dk www.aus.au.dk	AS1835	IDDQD-AS	130.225.0.0/16	🇩🇰 Denmark	Lystrup

📧 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#

1 records 162ms

TXT Record
v=spf1 include:spf.au.dk -all

✉️ SPF#

Policy	Record (s2s.dk)
-all (hard fail)	v=spf1 include:spf.au.dk -all

📨 DMARC#

Policy	Record (_dmarc.s2s.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 2026-10-17 04:20:05

www	NXDOMAIN
www vs bare domain	www does not resolve s2s.dk: 130.225.18.54 (AS1835) www.s2s.dk: no address (all like this)
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#

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

🔐 DNSSEC#

122ms

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

🏷️ SOA#

49ms

Field	Value
Serial	2011014576
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 2026-10-14 22:52:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-01-17
Expires	2027-01-31 (105d)

🔗 Same registrant#

581 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 581.

📋 WHOIS#

⏱️ Lookup Timing#

45ms

53ms

45ms

AAAA

48ms

TXT

162ms

CAA

53ms

HTTPS

43ms

TLSA

70ms

SOA

49ms

MTA-STS

58ms

DNSSEC

122ms

SRV

54ms

Total

581ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 04:20:05	3444ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-16 03:01:02	508ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-14 22:19:23	518ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-13 22:00:17	500ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-12 16:53:11	852ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-11 16:07:58	618ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-10 14:08:00	382ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-09 07:42:35	562ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-08 07:40:32	477ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-07 10:46:42	423ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-06 09:25:13	1276ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-05 08:10:53	521ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-04 07:51:29	825ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-03 07:47:46	576ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-02 07:47:08 shown	581ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-01 07:40:24	656ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-30 07:30:19	423ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-29 19:17:38	1694ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-28 19:07:17	553ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-27 18:59:31	481ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-26 18:41:48	612ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-25 18:20:53	601ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-24 18:07:30	490ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-23 17:56:03	2332ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-18 14:48:25	714ms	2 NS 1 A 0 MX	🔒 Secure