sebastiannyholm.dk DNS records

🖥️ Nameservers2 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
karina.ns.cloudflare.com	108.162.192.178 172.64.32.178 173.245.58.178 2606:4700:50::adf5:3ab2 2803:f800:50::6ca2:c0b2 2a06:98c1:50::ac40:20b2	karina.ns.cloudflare.com karina.ns.cloudflare.com karina.ns.cloudflare.com karina.ns.cloudflare.com karina.ns.cloudflare.com karina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
keaton.ns.cloudflare.com	108.162.195.181 162.159.44.181 172.64.35.181 2606:4700:58::a29f:2cb5 2803:f800:50::6ca2:c3b5 2a06:98c1:50::ac40:23b5	keaton.ns.cloudflare.com keaton.ns.cloudflare.com keaton.ns.cloudflare.com keaton.ns.cloudflare.com keaton.ns.cloudflare.com keaton.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 70ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
86.48.24.106	300s	vmi3010821.contaboserver.net	AS40021	Contabo Inc.	86.48.16.0/20	🇺🇸 United States	Orangeburg

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.sebastiannyholm.dk	91.229.236.110	s10.speedio.dk	AS215686 Edelskjold Holding ApS

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	s10-91.speedio.dk → 91.229.236.110
🔶 Autoconfig	s10-91.speedio.dk → 91.229.236.110

🔷 AAAA Records (IPv6)1 records 86ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2605:a142:2301:821::1	300s	vmi3010821.contaboserver.net	AS40021	Contabo Inc.	2605:a140:0:0:0:0:0:0/30	🇺🇸 United States	Orangeburg

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 242ms

TXT Record
google-site-verification=hFht6Fl9xNGSRCIPxh5wsajv4AosrsYsTipx5hz4Vl8
v=spf1 a mx include:sfp.speedio.dk include:s10-proxy.speedio.dk ~all

✉️ SPF

Policy	Record (sebastiannyholm.dk)
~all (soft fail)	v=spf1 a mx include:sfp.speedio.dk include:s10-proxy.speedio.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
CNAME	_acme-challenge.sebastiannyholm.dk	_acme-challenge.sebastiannyholm.dk.hostinggroup.dk
TXT	_acme-challenge.sebastiannyholm.dk.hostinggroup.dk	cYhXMKhDmJzUKpjv0cfrcTdddEXmvFoX7VINam6xQqY
TXT	_acme-challenge.sebastiannyholm.dk.hostinggroup.dk	zvBEmaPQG_0eAiWcG32AxxGJmyilBpjy8MwA_HPMBcQ

🔗 TLSA / DANE

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

🔐 DNSSEC9083ms

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	2412914072
Primary NS (MNAME)	karina.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

47ms

A

70ms

MX

50ms

AAAA

86ms

TXT

242ms

CAA

55ms

HTTPS

52ms

TLSA

285ms

SOA

0ms

MTA-STS

124ms

DNSSEC

9083ms

SRV

92ms

Total

9880ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 03:25:20	9880ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 10:56:40	9714ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-23 18:07:57	3601ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-21 17:07:45	1241ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-13 09:55:33	3448ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 06:46:24	4633ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 19:35:23	1175ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 23:33:52	793ms	2 NS 1 A 1 MX	🔓 Insecure	View