williamzeuthen.dk DNS records

🖥️ Nameservers2 records 342ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.yayhosting.dk	195.242.130.62 2001:67c:564:fffe::100	ns1.yayhosting.dk —	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.yayhosting.dk	2a00:1b18:2:3:1::2 62.69.152.35	ns2.yayhosting.dk ns2.yayhosting.dk	AS47527 DLX A/S AS47527 DLX A/S

🌍 A Records1 records 311ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.130.46	14400s	whm01.yayhosting.dk	AS62121	Christian Ebsen ApS	195.242.130.0/23	🇩🇰 Denmark	—

📧 MX Records4 records 290ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	14400s	mx4.spamfri.dk	193.200.91.108 2001:67c:564:fffd::4001	mx4.spamfri.dk mx4.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
20	14400s	mx2.spamfri.dk	193.200.91.109 2001:67c:564:fffd::2001	mx2.spamfri.dk mx2.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
30	14400s	mx3.spamfri.dk	2a00:1b18:2:3:fe::2 62.69.152.43 62.69.152.43	mx3.spamfri.dk 43.34-46.152.69.62.in-addr.arpa mx3.spamfri.dk	AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S
40	14400s	mx1.spamfri.dk	195.242.131.16 2001:67c:564:fffd::1001	mx1.spamfri.dk mx1.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	195.242.130.46
🔶 Autoconfig	195.242.130.46

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 375ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	whm01.yayhosting.dk

📝 TXT Records1 records 777ms

TXT Record
v=spf1 ip4:195.242.130.46 include:_spf.yayhosting.dk -all

✉️ SPF

Policy	Record (williamzeuthen.dk)
-all (hard fail)	v=spf1 ip4:195.242.130.46 include:_spf.yayhosting.dk -all

📨 DMARC

Policy	Record (_dmarc.williamzeuthen.dk)
p=quarantine	v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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
TXT	_acme-challenge.williamzeuthen.dk	-Sb-6T5Md_Vujq8UsGJGc4aB3yWZLjFrKfKFDoicvz8

🔗 TLSA / DANE4 records 579ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.spamfri.dk	DANE-EE · SPKI · SHA-256	884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk	DANE-EE · SPKI · SHA-256	6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk	DANE-EE · SPKI · SHA-256	BBFB0694919290E5BC9D6E2C6F47D846…
SMTP _25._tcp.mx4.spamfri.dk	DANE-EE · SPKI · SHA-256	4EE743A99328AEF5142706CA5FD3AD61…

🔐 DNSSEC559ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026082001
Primary NS (MNAME)	ns1.yayhosting.dk
Responsible (RNAME)	hostmaster@mailrelay.e-studio.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

342ms

A

311ms

MX

290ms

AAAA

301ms

TXT

777ms

CAA

279ms

HTTPS

357ms

TLSA

579ms

SOA

0ms

MTA-STS

420ms

DNSSEC

559ms

SRV

375ms

Total

8686ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 14:13:53	8686ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-06-20 17:51:42	890ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-06-18 04:49:10	997ms	2 NS 1 A 4 MX	🔓 Insecure	View