busbooking.dk

📜 Historical scan 2026-06-28 15:45:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

busbooking.dk is a .dk domain served by 2 nameservers (danica.ns.cloudflare.com, elijah.ns.cloudflare.com). It was registered on 11 September 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.66.40.74 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by busbooking-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 282ms

Nameserver	IP addresses	PTR	ASN / ISP
danica.ns.cloudflare.com	108.162.194.187 162.159.38.187 172.64.34.187 2606:4700:50::a29f:26bb 2803:f800:50::6ca2:c2bb 2a06:98c1:50::ac40:22bb	danica.ns.cloudflare.com danica.ns.cloudflare.com danica.ns.cloudflare.com danica.ns.cloudflare.com danica.ns.cloudflare.com danica.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
elijah.ns.cloudflare.com	108.162.195.253 162.159.44.253 172.64.35.253 2606:4700:58::a29f:2cfd 2803:f800:50::6ca2:c3fd 2a06:98c1:50::ac40:23fd	elijah.ns.cloudflare.com elijah.ns.cloudflare.com elijah.ns.cloudflare.com elijah.ns.cloudflare.com elijah.ns.cloudflare.com elijah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 551ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.66.40.74	300s	—	AS13335	Cloudflare, Inc.	172.66.40.0/21	—	—
172.66.43.182	300s	—	AS13335	Cloudflare, Inc.	172.66.40.0/21	—	—

📧 MX Records#

1 records 290ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	busbooking-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 2a01:111:f403:ca09::20 2a01:111:f403:ca09::6 52.101.68.21 52.101.68.36 52.101.73.26 52.101.73.4	mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

2 records 285ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3108::ac42:284a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3108:0:0:0:0:0/48	—	—
2606:4700:3108::ac42:2bb6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3108:0:0:0:0:0/48	—	—

🔐 HTTPS Records#

1 records 252ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=172.66.40.74,172.66.43.182 ipv6hint=2606:4700:3108::ac42:284a,2606:4700:3108::ac42:2bb6

🔌 SRV Records#

1 records 312ms

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

📝 TXT Records#

5 records 566ms

TXT Record
3f90kekivtg5ciajsv2qjap1rk
apple-domain-verification=0iF45p5nRrClTzKL
google-site-verification=PzPa5sDvUUDLbYSepEZ-FZcZwoTTehAfESdfYvs3BWs
MS=ms16809227
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (busbooking.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.busbooking.dk)
p=none (monitor only)	v=DMARC1;p=none;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

10 records 276ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 11:27:50

www	172.66.40.74 172.66.43.182 2606:4700:3108::ac42:284a 2606:4700:3108::ac42:2bb6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network busbooking.dk: 172.66.40.74 172.66.43.182 2606:4700:3108::ac42:284a 2606:4700:3108::ac42:2bb6 (AS13335) www.busbooking.dk: 172.66.40.74 172.66.43.182 2606:4700:3108::ac42:284a 2606:4700:3108::ac42:2bb6 (AS13335)
Wildcard	No

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u19544356.wl107.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u19544356.wl107.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-busbooking-dk._domainkey.3bustilbudcom.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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

362ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

244ms

Field	Value
Serial	2407387320
Primary NS (MNAME)	danica.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 17:09:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-09-11
Expires	2028-07-31 (651d)

🔗 Same registrant#

5 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
3bustilbud.dk	Punktum dk A/S (direct)
ans-bussen.dk	Punktum dk A/S (direct)
dkinspection.dk	Simply.com A/S
fleetmaintain.dk	Simply.com A/S
ojtb.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

282ms

551ms

290ms

AAAA

285ms

TXT

566ms

CAA

276ms

HTTPS

252ms

TLSA

273ms

SOA

244ms

MTA-STS

304ms

DNSSEC

362ms

SRV

312ms

Total

2594ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 23:37:10	817ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 16:36:16	1264ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 16:14:08	1148ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-12 16:25:26	2075ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-30 20:49:51	2396ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 23:45:55	1490ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-25 16:02:11	17717ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-18 01:59:35	9464ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-16 12:56:29	2192ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-04 15:26:06	1984ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-28 15:45:19 shown	2594ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 17:57:29	1654ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 17:45:37	6785ms	2 NS 2 A 1 MX	🔓 Insecure