ffd.dk DNS records

🖥️ Nameservers2 records 147ms

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 103ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.88.5.125	3600s	static.125.5.88.23.clients.your-server.de	AS24940	Hetzner Online GmbH	23.88.0.0/17	🇩🇪 Germany	Falkenstein

📧 MX Records2 records 236ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	d331277.a.ess.de.barracudanetworks.com	18.185.115.250 18.185.115.251 18.185.115.252	mail.ess.de.barracuda.com mail.ess.de.barracuda.com mail.ess.de.barracuda.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	3600s	d331277.b.ess.de.barracudanetworks.com	18.185.115.250 18.185.115.251 18.185.115.252	mail.ess.de.barracuda.com mail.ess.de.barracuda.com mail.ess.de.barracuda.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	ffd.dk → 23.88.5.125

🔷 AAAA Records (IPv6)1 records 120ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:272:3c81::2	3600s	—	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 590ms

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

📝 TXT Records3 records 985ms

TXT Record
facebook-domain-verification=eks96ysimf1429bbb3t0prflgg1gdj
google-site-verification=RWnhixW4Uo1_ym-QV3CPRUvqhGHY9RNwoxvQSuD-MYk
v=spf1 ip4:152.115.161.22 ip4:52.157.213.82 ip4:213.150.48.29 ip4:138.201.83.113 include:spf.protection.outlook.com include:spf.mailanyone.net include:spf.dandomain.dk include:spf.ess.de.barracudanetworks.com include:web.shared.mysmtp.com -all

✉️ SPF

Policy	Record (ffd.dk)
-all (hard fail)	v=spf1 ip4:152.115.161.22 ip4:52.157.213.82 ip4:213.150.48.29 ip4:138.201.83.113 include:spf.protection.outlook.com include:spf.mailanyone.net include:spf.dandomain.dk include:spf.ess.de.barracudanetworks.com include:web.shared.mysmtp.com -all

📨 DMARC

Policy	Record (_dmarc.ffd.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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.ffd.dk	ffd.dk
TXT	ffd.dk	facebook-domain-verification=eks96ysimf1429bbb3t0prflgg1gdj

🔗 TLSA / DANE

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

🔐 DNSSEC901ms

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

🏷️ SOA205ms

Field	Value
Serial	2026032501
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

147ms

A

103ms

MX

236ms

AAAA

120ms

TXT

985ms

CAA

206ms

HTTPS

206ms

TLSA

681ms

SOA

205ms

MTA-STS

251ms

DNSSEC

901ms

SRV

590ms

Total

5353ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-19 08:32:49	5353ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 09:59:00	1888ms	2 NS 1 A 2 MX	🔒 Secure	View