m-seals.dk DNS records

🖥️ Nameservers2 records 41ms

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 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.192.54.166	3600s	—	AS8769	IT-Total Sweden AB	193.192.54.0/23	🇸🇪 Sweden	—

📧 MX Records2 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	eu-esec-01.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
10	3600s	eu-esec-02.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.98.16.77

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 139ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 175ms

TXT Record
v=spf1 ip4:31.3.76.234/29 include:spf.protection.outlook.com include:spf-esec.heimdalsecurity.com -all
zt76nlFadCwTG3l4VGQu8X9s2xz3CrssfRTSlirEEiOi+GIKWWvT5ovOHtDVBTCGNHQ7+hzaqZKgYQmgy3RsKw==

✉️ SPF

Policy	Record (m-seals.dk)
-all (hard fail)	v=spf1 ip4:31.3.76.234/29 include:spf.protection.outlook.com include:spf-esec.heimdalsecurity.com -all

📨 DMARC

Policy	Record (_dmarc.m-seals.dk)
p=reject	v=DMARC1; p=reject; ruf=mailto:dmarc@m-seals.dk; pct=100; fo=1; rua=mailto:dmarc_agg@vali.email;

📬 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 / DANE2 records 8042ms

Service / Owner	Type	Cert association
SMTP _25._tcp.eu-esec-01.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…
SMTP _25._tcp.eu-esec-02.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…

🔐 DNSSEC154ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
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

41ms

A

55ms

MX

46ms

AAAA

40ms

TXT

175ms

CAA

60ms

HTTPS

53ms

TLSA

8042ms

SOA

0ms

MTA-STS

98ms

DNSSEC

154ms

SRV

139ms

Total

8919ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-12 02:41:42	8919ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-18 10:15:09	1015ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-12 11:43:32	955ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-24 18:27:54	613ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-21 07:19:29	2519ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-18 17:19:16	1038ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 12:58:12	827ms	2 NS 1 A 2 MX	🔒 Secure	View