keolis-letbane.dk

📜 Historical scan 2026-09-25 19:58:46  ·  ← 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   36ms
NameserverIP addressesPTRASN / 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   36ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   696ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s keolisletbane-dk01e.mail.protection.outlook.com — — —

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.149.136

🔷 AAAA Records (IPv6)#

2 records   53ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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   42ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.51.13,172.67.216.99 ech=AEX+DQBBRwAgACBvrwcnkCG0ntVo4fE3le0rQsV9Zw0+6E+Ny5t5SROLNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d863,2606:4700:3033::6815:330d

🔌 SRV Records#

1 records   62ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

2 records   225ms
TXT Record
MS=ms86416160
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (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 2026-10-24 04:51:49
www104.21.51.13 172.67.216.99 2606:4700:3032::ac43:d863 2606:4700:3033::6815:330d (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: 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

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.keolis-letbane.dk 5ru0QRnSO39NdGmcfO0O4AbXaXK98X0T2ywxHIdvIy0
TXT _acme-challenge.keolis-letbane.dk NYfk4Y2T2gkJTiACwbbXQxWz8n4cCj7G6sAmzB7_b2A

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2047ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2415312363
Primary NS (MNAME)jeff.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-24 05:03:15
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2017-11-13
Expires2027-11-30 (401d)

🔗 Same registrant#

3 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).

DomainRegistrar
city-trafik.dkPunktum dk A/S (direct)
keonet.dkPunktum dk A/S (direct)
mitkeolis.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
36ms
A
36ms
MX
696ms
AAAA
53ms
TXT
225ms
CAA
34ms
HTTPS
42ms
TLSA
669ms
SOA
0ms
MTA-STS
44ms
DNSSEC
2047ms
SRV
62ms
Total
3059ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-24 04:51:49 2342ms 2 NS 2 A 1 MX 🔒 Secure
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 shown 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 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
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