treno.dk

📜 Historical scan 2026-06-17 11:59:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

treno.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 4 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by treno-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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#

3 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 72ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	—	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	treno-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::8 2a01:111:f403:ca09::9 2a01:111:f403:ca09::e 52.101.68.18 52.101.68.25 52.101.73.11 52.101.73.22	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am7pr05cu00106.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 220ms

TXT Record
MS=ms30852281
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.treno.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:kristoffer.hovland@comss.dk

📬 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 2026-10-13 10:46:22

www	NXDOMAIN
www vs bare domain	www does not resolve treno.dk: 94.231.103.100 (AS48854) www.treno.dk: no address (all like this)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
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#

173ms

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

🏷️ SOA#

57ms

Field	Value
Serial	2026060400
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-13 11:13:30

Field	Value
Registrar	Simply.com A/S
Registered	2026-05-04
Expires	2027-05-03 (197d)

🔗 Same registrant#

4 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
compassdigital.dk	FIONIA IT ApS
comss.dk	A/S SCANNET
htk-ecolife.dk	FIONIA IT ApS
leankursus.dk	FIONIA IT ApS

📋 WHOIS#

⏱️ Lookup Timing#

55ms

72ms

67ms

AAAA

50ms

TXT

220ms

CAA

47ms

HTTPS

49ms

TLSA

152ms

SOA

57ms

MTA-STS

153ms

DNSSEC

173ms

SRV

0ms

Total

1134ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 10:46:22	1825ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-04 09:04:36	1077ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 08:51:14	618ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-29 22:34:17	976ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-31 18:14:38	980ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:59:25 shown	1134ms	3 NS 1 A 1 MX	🔒 Secure