btk73.dk DNS records

🖥️ Nameservers2 records 41ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.130.56	14400s	whm03.yayhosting.dk	AS62121	Christian Ebsen ApS	195.242.130.0/23	🇩🇰 Denmark	—

📧 MX Records3 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	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
20	3600s	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	3600s	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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	195.242.130.56
🔶 Autoconfig	195.242.130.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 82ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	whm03.yayhosting.dk

📝 TXT Records2 records 172ms

TXT Record
google-site-verification=xHZV2qdJ64BirH11JXy8HmmJueOwx3yCLGcDlr8y1XQ
v=spf1 +mx +a +ip4:195.242.130.56 include:_spf.yayhosting.dk -all

✉️ SPF

Policy	Record (btk73.dk)
-all (hard fail)	v=spf1 +mx +a +ip4:195.242.130.56 include:_spf.yayhosting.dk -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
TXT	_acme-challenge.btk73.dk	ji_7gQ3B69I8vCfhj04jr3t_iQAQrjKYXbZHBS6W-Sc

🔗 TLSA / DANE3 records 56ms

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…

🔐 DNSSEC111ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080101
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

41ms

A

41ms

MX

63ms

AAAA

38ms

TXT

172ms

CAA

26ms

HTTPS

34ms

TLSA

56ms

SOA

0ms

MTA-STS

102ms

DNSSEC

111ms

SRV

82ms

Total

654ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 02:16:33	654ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-26 14:27:23	611ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-05 19:29:49	4541ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-20 17:05:11	1319ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-20 03:31:00	1559ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 17:50:24	4488ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 17:31:06	588ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 17:30:06	2087ms	2 NS 1 A 3 MX	🔒 Secure	View