bestoffyn.dk DNS records

🖥️ Nameservers2 records 48ms

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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
128.140.28.110	3600s	static.110.28.140.128.clients.your-server.de	AS24940	Hetzner Online GmbH	128.140.0.0/17	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	bestoffyn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::d 2a01:111:f403:ca09::b 2a01:111:f403:ca09::e 52.101.103.137 52.101.68.10 52.101.68.15 52.101.73.30	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am7pr05cu00306.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 165ms

TXT Record
MS=ms40428662
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net -all

✉️ SPF

Policy	Record (bestoffyn.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net -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)

🔐 DNSSEC86ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032401
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

48ms

A

42ms

MX

47ms

AAAA

2043ms

TXT

165ms

CAA

58ms

HTTPS

47ms

TLSA

368ms

SOA

0ms

MTA-STS

77ms

DNSSEC

86ms

SRV

276ms

Total

2904ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 17:33:07	2904ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 20:29:57	1409ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 20:47:04	1919ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 09:04:56	792ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-19 00:33:19	1469ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 14:24:55	573ms	2 NS 1 A 1 MX	🔒 Secure	View