sylvester-larsen.dk DNS records

🖥️ Nameservers2 records 45ms

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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.211.38	600s	domain-parking.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod14-cph3.one.com	185.10.9.212	mx1.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod14-cph3.one.com	185.10.9.213	mx2.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod14-cph3.one.com	185.10.9.214	mx3.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod14-cph3.one.com	185.10.9.215	mx4.pub.mailpod14-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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

🔗 TLSA / DANE4 records 73ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081901
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

45ms

A

37ms

MX

41ms

AAAA

40ms

TXT

146ms

CAA

43ms

HTTPS

36ms

TLSA

73ms

SOA

0ms

MTA-STS

53ms

DNSSEC

96ms

SRV

55ms

Total

710ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 12:08:17	710ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-19 21:29:25	9010ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-16 10:03:49	3764ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-15 05:50:05	4936ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-10 05:38:44	4563ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-07 11:55:37	893ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-03 20:37:47	4820ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-24 08:13:32	769ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-20 00:31:16	897ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-01 11:41:53	622ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 10:04:47	642ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 09:24:21	610ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 12:25:14	1147ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 17:07:26	490ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-19 12:40:34	934ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-18 06:28:53	3331ms	2 NS 1 A 4 MX	🔒 Secure	View