blue-train.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 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	bluetrain-dk01b.mail.eo.outlook.com	2a01:111:f403:ca09::1 2a01:111:f403:ca09::8 2a01:111:f403:ca09::9 2a01:111:f403:ca38::8 52.101.103.143 52.101.68.15 52.101.68.25 52.101.73.155	mail-as9pr07cu00301.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 107ms

TXT Record
MS=ms75167645
v=spf1 include:outlook.com ~all

✉️ SPF

Policy	Record (blue-train.dk)
~all (soft fail)	v=spf1 include: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

🔗 TLSA / DANE

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

🔐 DNSSEC102ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082501
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

30ms

MX

37ms

AAAA

39ms

TXT

107ms

CAA

30ms

HTTPS

23ms

TLSA

5542ms

SOA

0ms

MTA-STS

40ms

DNSSEC

102ms

SRV

42ms

Total

6005ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 15:15:47	6005ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 13:27:50	10816ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 17:42:50	4506ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 07:48:00	943ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 15:13:41	4919ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 15:08:10	5821ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 15:05:58	4492ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 15:00:14	964ms	2 NS 1 A 1 MX	🔒 Secure	View