keolis-letbane.dk

📜 Historical scan 2026-10-02 21:12:25  ·  ← 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   40ms
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   37ms
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   38ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s keolisletbane-dk01e.mail.protection.outlook.com — — —

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

2 records   36ms
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   34ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.51.13,172.67.216.99 ech=AEX+DQBBCAAgACCH88KR3R189rCGnoUdAJ7oAauzIhzBUSEi8hcDLvITVAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d863,2606:4700:3033::6815:330d

🔌 SRV Records#

1 records   73ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

2 records   207ms
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 OI21JXCsRrvSx0rbAJYbF286jsZaDgZH_XYoWaSUyfA
TXT _acme-challenge.keolis-letbane.dk UrbgfnI4A8_Co-hywVIjij-3bH5-ewXGzGF_4MHMLx0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

126ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

30ms
FieldValue
Serial2416451773
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 (402d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
40ms
A
37ms
MX
38ms
AAAA
36ms
TXT
207ms
CAA
45ms
HTTPS
34ms
TLSA
376ms
SOA
30ms
MTA-STS
53ms
DNSSEC
126ms
SRV
73ms
Total
1066ms

🕐 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 shown 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 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone