codelabx.dk DNS records

🖥️ Nameservers2 records 187ms

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 Records5 records 217ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.168.27 2a00:1450:400c:c04::1a 2a00:1450:400c:c04::1a	wh-in-f27.1e100.net wk-in-x1a.1e100.net wk-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	172.253.152.27 2a00:1450:4013:c1e::1a	yulpptr-in-f27.1e100.net yugrqzs-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	142.251.127.27 2404:6800:4000:1025::1a	lcfrai-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2a00:1450:4025:c01::1b	so-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c22::1b	yulpptr-in-f26.1e100.net yulpptr-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

📝 TXT Records2 records 571ms

TXT Record
google-site-verification=bgHQxeZf5a91PY9OB6IaBdAMYWAHps_ymZf5ZAyMIDI
v=spf1 include:_spf.google.com ~all

✉️ SPF

Policy	Record (codelabx.dk)
~all (soft fail)	v=spf1 include:_spf.google.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)

🔐 DNSSEC572ms

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

🏷️ SOA127ms

Field	Value
Serial	2026061101
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

187ms

A

137ms

MX

217ms

AAAA

186ms

TXT

571ms

CAA

197ms

HTTPS

147ms

TLSA

623ms

SOA

127ms

MTA-STS

270ms

DNSSEC

572ms

SRV

264ms

Total

3483ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-11 15:01:56	1179ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-17 13:59:46	1922ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-11 22:04:22	1453ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-26 23:31:55	1446ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-25 18:21:20	3483ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-21 10:05:52	1109ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 21:48:51	482ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-16 21:40:38	633ms	2 NS 0 A 5 MX	🔒 Secure	View