keolis-letbane.dk

📜 Historical scan 2026-10-01 21:08:38  ·  ← 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   41ms

🌍 A Records#

2 records   35ms
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   34ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s keolisletbane-dk01e.mail.protection.outlook.com — — —

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.149.152

🔷 AAAA Records (IPv6)#

2 records   36ms

🔐 HTTPS Records#

1 records   32ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.51.13,172.67.216.99 ech=AEX+DQBBrwAgACCbK1mYDYFz/BAn6S5t+Q/v+Oej3eFNxtPWgz50fNnFPAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d863,2606:4700:3033::6815:330d

🔌 SRV Records#

1 records   66ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

2 records   345ms
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 2026-10-21 05:35:35
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 7OpiY2jS_8ld3taDQuBSYUI2FOiQgeTMW7jDr_rCXQM
TXT _acme-challenge.keolis-letbane.dk sLZ28Vr7FzXDotwcji_Jdc7Zr1MoleQMld76RpjBpqE

🔗 TLSA / DANE#

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

🔐 DNSSEC#

112ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

41ms
FieldValue
Serial2416291052
Primary NS (MNAME)jeff.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-04 21:35:08
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2017-11-13
Expires2027-11-30 (404d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
41ms
A
35ms
MX
34ms
AAAA
36ms
TXT
345ms
CAA
37ms
HTTPS
32ms
TLSA
310ms
SOA
41ms
MTA-STS
52ms
DNSSEC
112ms
SRV
66ms
Total
1239ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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 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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