dsb.dk

📜 Historical scan 2026-09-13 20:59:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dsb.dk is a .dk domain served by 2 nameservers (dns.dsb.dk, ns.dsb.dk). It was registered on 23 April 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.73.205.146 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by dsb-dk.mail.protection.outlook.com. 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 50ms

Nameserver	IP addresses	PTR	ASN / ISP
dns.dsb.dk	193.28.147.132	dns.dsb.dk	AS41746 DSB (SOV)
ns.dsb.dk	193.28.147.131	ns.dsb.dk	AS41746 DSB (SOV)

🌍 A Records#

1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.73.205.146	120s	—	AS8075	Microsoft Corporation	20.64.0.0/10	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	dsb-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::a 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::12 52.101.103.137 52.101.209.153 52.101.68.27 52.101.73.145	mail-db4pr02cu00406.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am6pr02cu00301.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 80ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

16 records 154ms

TXT Record
_0j05nxarn8988720geixmjwj9ojzzj7
_globalsign-domain-verification=-KkipF_On96k7bIPYQkV-89xT4IZ2GFgjtPFHs7mRq
adobe-idp-site-verification=c70635e6b967680e0768d944f4d7ed369d4899503e54228f4d8063ad69f6b0e8
apple-domain-verification=qke0YSYL98cRwKhG
atlassian-domain-verification=umC3KIYsQI7vWjU6maWErZLupo3aHAx0v6AtrachrK4HL9oLed7StQR0vmSNaLqP
google-site-verification=gduGXyyJCvFCzVIeuz_gU34b7B1_81K51iPn4iv5AVo
google-site-verification=H1_clme5Q4k7Q7DDtx4IRFa3Asd4tP9uX3U9SIfkbuc
google-site-verification=MOZN3tA0A7uWvN5c4mmALb-uWfLNpd9tnjldEGxCQHE
miro-verification=5962344bf3c1c80743a5453ed014ee0543fd8c6b
ms-domain-verification=5fb97271-b50d-4219-a4e2-d1b684714496
MS=ms17745425
postman-domain-verification=666f973f7cabe15043da40a21a9b3ab563929b14028b2993f51754dfdf9af22f4fb88310511d99175ce818051865070e5c831f0a90d97228134a8e7d26bee452
qkmdtv3581cdaa7pgbo98gv53c
successfactors-site-verification=NTkyNDU1MWM4NmM0Y2ZkYTIyMDZlZTFlNTI1NTU1YTAxZWM3MjYxNzY1N2NiYmFkZGE5Y2Q4MjAzNzEwODcwZg==
v=spf1 include:spf.protection.outlook.com include:spf.dsb.dk.eu-pfutvobx.e1.dspf.app -all
ZR74E0dRn25c2oyq5TBKxicfgzgJdwdf3cUs8cNZUXP3z2bP+S7dW4N557ajFH7BKD/Cw7Ih22Gs9yKjTZBR8Q==

✉️ SPF#

Policy	Record (dsb.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.dsb.dk.eu-pfutvobx.e1.dspf.app -all

📨 DMARC#

Policy	Record (_dmarc.dsb.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:pfutvobx@ag.eu.dmarcadvisor.com; ruf=mailto:pfutvobx@fr.eu.dmarcadvisor.com; fo=1; pct=100;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

10 records 37ms

Flags	Tag	Value
0	issue	amazontrust.com
0	issue	awstrust.com
0	issue	digicert.com
0	issue	globalsign.com
0	issue	letsencrypt.org
0	issuewild	amazontrust.com
0	issuewild	awstrust.com
0	issuewild	digicert.com
0	issuewild	globalsign.com
0	issuewild	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 21:31:06

www CNAME	dsbdk.azurefd.net (all on azurefd.net) → 150.171.109.194 2603:1061:14:c1::1 (AS8075)
www vs bare domain	Same network dsb.dk: 20.73.205.146 (AS8075) www.dsb.dk: 150.171.109.194 2603:1061:14:c1::1 (AS8075)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

4 found

Selector	CNAME	Key
s1	s1.domainkey.u7018052.wl053.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u7018052.wl053.sendgrid.net	RSA · ~2048 bit
selector1	selector1-dsb-dk._domainkey.dsbintranet.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-dsb-dk._domainkey.dsbintranet.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

128ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026090842
Primary NS (MNAME)	ns.dsb.dk
Responsible (RNAME)	manager@dsb.dk
Refresh	1800s
Retry	600s
Expire	1209600s
Minimum (neg-cache TTL)	5400s

📋 Registration#

WHOIS fetched 2026-10-13 17:20:36

Field	Value
Registrar	Abion AB
Registered	1996-04-23
Expires	2031-06-30 (1717d)

🔗 Same registrant#

19 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
1415.dk	Abion AB
dsb-1.dk	Abion AB
dsb-danmark.dk	Abion AB
dsb-skolerejser.dk	Abion AB
dsb-stog.dk	Abion AB
dsbejendomme.dk	Abion AB
dsbvorestog.dk	Abion AB
dsbwildcard.dk	Abion AB
iamlegend.dk	Abion AB
inter-rail.dk	Abion AB
koermit.dk	Abion AB
landetspuls.dk	Abion AB
orangebillet.dk	Abion AB
s-more.dk	Abion AB
smore.dk	Abion AB
trygstog.dk	Abion AB
udogse.dk	Abion AB
workplus.dk	Abion AB
www-dsb.dk	Abion AB

📋 WHOIS#

⏱️ Lookup Timing#

50ms

47ms

38ms

AAAA

40ms

TXT

154ms

CAA

37ms

HTTPS

45ms

TLSA

837ms

SOA

0ms

MTA-STS

71ms

DNSSEC

128ms

SRV

80ms

Total

2143ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 21:31:06	1748ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-14 17:17:36	1575ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 17:05:56	1985ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-12 14:20:19	1528ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 11:16:33	1575ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 09:16:15	2067ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 23:34:54	53329ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 23:20:15	2005ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-06 23:16:05	1875ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 20:22:27	2363ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 19:58:53	2254ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 19:51:24	1225ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 19:49:18	1168ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 19:48:07	1154ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 19:36:29	1654ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 19:20:24	1729ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 19:11:23	1006ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 18:49:31	1348ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 18:35:39	1483ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 18:17:27	1255ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 18:09:10	1159ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 16:38:42	1589ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 09:55:00	1413ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 20:59:29 shown	2143ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 04:16:33	2513ms	2 NS 1 A 1 MX	🔒 Secure