stenderup.dk DNS records

🖥️ Nameservers2 records 111ms

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 94ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	—	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records2 records 110ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	—	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 187ms

TXT Record
protonmail-verification=71a0be141d43f58c885f1c30a9e7c4588458ae59
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

Policy	Record (stenderup.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC

Policy	Record (_dmarc.stenderup.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 63ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC218ms

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

🏷️ SOA110ms

Field	Value
Serial	2026060901
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

111ms

A

94ms

MX

110ms

AAAA

111ms

TXT

187ms

CAA

111ms

HTTPS

91ms

TLSA

63ms

SOA

110ms

MTA-STS

37ms

DNSSEC

218ms

SRV

209ms

Total

996ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 16:26:31	645ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-16 04:48:51	5109ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-09 12:32:31	1120ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-12 10:07:53	1161ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-07 00:46:43	2137ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-25 17:09:06	2045ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-24 16:24:29	2497ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-24 13:15:41	718ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-21 22:49:42	1346ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 19:58:33	996ms	2 NS 1 A 2 MX	🔒 Secure	View