kasperth.dk DNS records

🖥️ Nameservers2 records 37ms

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 Records

🌍

No A records found

📧 MX Records7 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	173.194.221.26 2a00:1450:4010:c1e::1a	lm-in-f26.1e100.net lb-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx4.googlemail.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records5 records 233ms

Service	Port	Target
_xmpp-server._tcp	5269	xmpp-server3.l.google.com
_xmpp-server._tcp	5269	xmpp-server2.l.google.com
_xmpp-server._tcp	5269	xmpp-server4.l.google.com
_xmpp-server._tcp	5269	xmpp-server.l.google.com
_xmpp-server._tcp	5269	xmpp-server1.l.google.com

📝 TXT Records1 records 297ms

TXT Record
v=spf1 include:aspmx.googlemail.com -all

✉️ SPF

Policy	Record (kasperth.dk)
-all (hard fail)	v=spf1 include:aspmx.googlemail.com -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

🔗 TLSA / DANE

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

🔐 DNSSEC106ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026081201
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

37ms

A

42ms

MX

34ms

AAAA

34ms

TXT

297ms

CAA

36ms

HTTPS

36ms

TLSA

2043ms

SOA

0ms

MTA-STS

49ms

DNSSEC

106ms

SRV

233ms

Total

2990ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 11:38:38	2990ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-08-13 01:57:13	4052ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-07-19 13:29:30	2128ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-07-13 16:55:40	9347ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-06-25 15:27:01	1109ms	2 NS 0 A 7 MX	🔒 Secure	View
2026-06-17 12:16:30	1248ms	2 NS 0 A 7 MX	🔒 Secure	View