serifosguide.dk DNS records

🖥️ Nameservers4 records 90ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnscluster.dk	2001:41d0:701:1100::7ec7 57.129.78.20	vps-1448e198.vps.ovh.net vps-1448e198.vps.ovh.net	AS16276 OVH SAS AS16276 OVH SAS
ns2.dnscluster.dk	212.95.58.14 2a00:c98:400f:104:1c00:a8ff:fe00:2ac	ns2.dnscluster.dk ns2.dnscluster.dk	AS28753 Leaseweb Deutschland GmbH AS28753 Leaseweb Deutschland GmbH
ns3.dnscluster.dk	213.184.84.70 2a09:3a00:4070::1	— —	AS59795 PerfGrid AS59795 PerfGrid
ns4.dnscluster.dk	2a06:a005:16d0:45::a 45.140.220.10	ns4.dnscluster.dk ns4.dnscluster.dk	AS142594 SpeedyPage Ltd AS142594 SpeedyPage Ltd

🌍 A Records1 records 208ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
213.184.84.10	600s	nlsh05.shared-infra.net	AS59795	PerfGrid	213.184.84.0/23	🇳🇱 The Netherlands	—

📧 MX Records2 records 95ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	pmg1.h4r.eu	2a01:4f8:c012:7e77::1 49.12.11.203	pmg1.h4r.eu filter02.h4r.eu	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
20	3600s	pmg2.h4r.eu	2001:41d0:701:1100::a6bc 57.129.66.76	filter04.h4r.eu filter04.h4r.eu	AS16276 OVH SAS AS16276 OVH SAS

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	213.184.84.10
🔶 Autoconfig	213.184.84.10

🔷 AAAA Records (IPv6)1 records 101ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a09:3a00:4010::1	600s	—	AS59795	PerfGrid	2a09:3a00:4000:0:0:0:0:0/40	🇳🇱 The Netherlands	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 541ms

TXT Record
v=spf1 +a +mx +include:_relayspf.hosting4real.net ~all

✉️ SPF

Policy	Record (serifosguide.dk)
~all (soft fail)	v=spf1 +a +mx +include:_relayspf.hosting4real.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.serifosguide.dk	6f16d009-105d-44ed-bb7d-98047849eda6.auth.acme-challenge.dk

🔗 TLSA / DANE

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

🔐 DNSSEC141ms

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

🏷️ SOA126ms

Field	Value
Serial	2025041802
Primary NS (MNAME)	ns1.dnscluster.dk
Responsible (RNAME)	hostmaster@serifosguide.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

90ms

A

208ms

MX

95ms

AAAA

101ms

TXT

541ms

CAA

120ms

HTTPS

97ms

TLSA

47ms

SOA

126ms

MTA-STS

123ms

DNSSEC

141ms

SRV

164ms

Total

1086ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-24 13:13:43	1086ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 00:20:30	1150ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-19 18:24:33	3056ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 23:32:16	1188ms	4 NS 1 A 2 MX	🔒 Secure	View