keolis-letbane.dk

📜 Historical scan 2026-08-06 07:11:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

keolis-letbane.dk is a .dk domain served by 2 nameservers (jeff.ns.cloudflare.com, reza.ns.cloudflare.com). It was registered on 13 November 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.51.13 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by keolisletbane-dk01e.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
jeff.ns.cloudflare.com	108.162.193.124 172.64.33.124 173.245.59.124 2606:4700:58::adf5:3b7c 2803:f800:50::6ca2:c17c 2a06:98c1:50::ac40:217c	jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
reza.ns.cloudflare.com	108.162.192.217 172.64.32.217 173.245.58.217 2606:4700:50::adf5:3ad9 2803:f800:50::6ca2:c0d9 2a06:98c1:50::ac40:20d9	reza.ns.cloudflare.com reza.ns.cloudflare.com reza.ns.cloudflare.com reza.ns.cloudflare.com reza.ns.cloudflare.com reza.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 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.51.13	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.216.99	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	keolisletbane-dk01e.mail.protection.outlook.com	—	—	—

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

2 records 58ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:d863	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:330d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.51.13,172.67.216.99 ech=AEX+DQBBJwAgACBrsztCx5OFxaOQZ7TxNP9XxqzXMXF8nUqI3PrBwJmlQgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d863,2606:4700:3033::6815:330d

🔌 SRV Records#

1 records 115ms

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

📝 TXT Records#

2 records 205ms

TXT Record
MS=ms86416160
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 05:35:35

www	104.21.51.13 172.67.216.99 2606:4700:3032::ac43:d863 2606:4700:3033::6815:330d (AS13335) (address records, no CNAME)
www vs bare domain	Same network keolis-letbane.dk: 104.21.51.13 172.67.216.99 2606:4700:3032::ac43:d863 2606:4700:3033::6815:330d (AS13335) www.keolis-letbane.dk: 104.21.51.13 172.67.216.99 2606:4700:3032::ac43:d863 2606:4700:3033::6815:330d (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 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#

87ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2411165160
Primary NS (MNAME)	jeff.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 21:35:08

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-11-13
Expires	2027-11-30 (404d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

68ms

43ms

AAAA

58ms

TXT

205ms

CAA

48ms

HTTPS

44ms

TLSA

353ms

SOA

0ms

MTA-STS

102ms

DNSSEC

87ms

SRV

115ms

Total

1486ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 05:35:35	1172ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-14 15:04:15	2034ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-07 19:59:26	1648ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-04 21:23:03	1208ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-02 21:12:25	1066ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-01 21:08:38	1239ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-28 20:45:17	857ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-25 19:58:46	3059ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-22 16:42:06	1433ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-13 22:16:57	1549ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-06 20:45:42	1363ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-26 21:19:29	641ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-25 16:28:51	1879ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-06 07:11:06 shown	1486ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-10 02:44:15	1499ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-09 01:20:33	983ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 17:28:02	1147ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-21 05:55:19	914ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-21 05:30:25	951ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 04:35:46	2976ms	2 NS 2 A 1 MX	🔒 Secure