railtek.dk DNS records

🖥️ Nameservers2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.99	600s	linux221.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	railtek-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::5 2a01:111:f403:ca09::4 2a01:111:f403:ca09::e 52.101.103.137 52.101.68.5 52.101.73.26 52.101.73.28	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am7pr05cu00204.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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	93.191.156.99

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 131ms

TXT Record
google-site-verification=VpCPjWGA2IPNbQxOocgk-NXjaZlgh-YZztDnyz-cf7U
MS=ms56867627
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com include:spf.simply.com -all

✉️ SPF

Policy	Record (railtek.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.com include:spf.simply.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

🔗 TLSA / DANE

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

🔐 DNSSEC95ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082905
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

29ms

A

29ms

MX

29ms

AAAA

24ms

TXT

131ms

CAA

28ms

HTTPS

23ms

TLSA

354ms

SOA

0ms

MTA-STS

34ms

DNSSEC

95ms

SRV

42ms

Total

849ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 17:26:45	849ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-29 09:57:28	1073ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 07:12:00	5831ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 16:29:29	1314ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 12:53:35	830ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 00:34:41	1595ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 22:28:21	951ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 02:42:07	2869ms	2 NS 1 A 1 MX	🔒 Secure	View