duferco.dk DNS records

🖥️ Nameservers2 records 223ms

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 Records2 records 191ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
151.8.179.2	43200s	—	AS1267	Wind Tre S.p.A.	151.8.0.0/15	🇮🇹 Italy	Suno
35.207.190.15	3600s	15.190.207.35.bc.googleusercontent.com	AS15169	Google LLC	35.207.128.0/18	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 240ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	duferco-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::b 2a01:111:f403:ca09::2 2a01:111:f403:ca09::20 52.101.68.0 52.101.68.18 52.101.73.11 52.101.73.22	mail-db7pr03cu00401.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	duferco.dk → 151.8.179.2

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 686ms

TXT Record
MS=ms45779096
v=spf1 mx include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (duferco.dk)
-all (hard fail)	v=spf1 mx include:spf.protection.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.duferco.dk	duferco.dk

🔗 TLSA / DANE

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

🔐 DNSSEC538ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081301
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

223ms

A

191ms

MX

240ms

AAAA

254ms

TXT

686ms

CAA

255ms

HTTPS

247ms

TLSA

1052ms

SOA

0ms

MTA-STS

363ms

DNSSEC

538ms

SRV

317ms

Total

6431ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-15 05:51:55	6431ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-14 09:55:27	16959ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-26 12:05:49	3768ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-17 04:56:02	2636ms	2 NS 2 A 1 MX	🔒 Secure	View