linebackers.dk DNS records

🖥️ Nameservers2 records 24ms

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 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	2a00:1450:4010:c0e::1a 2a00:1450:4010:c0e::1a 64.233.162.27	lu-in-f26.1e100.net lu-in-x1a.1e100.net li-in-f27.1e100.net	AS15169 Google LLC 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	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4000:1025::1a	lcdels-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	192.178.158.26 2404:6800:4001:c01::1a	lcdels-in-f26.1e100.net yukulwh-in-f26.1e100.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 Records1 records 102ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.linebackers.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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)

🔐 DNSSEC101ms

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	2026082601
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

24ms

A

31ms

MX

34ms

AAAA

31ms

TXT

102ms

CAA

28ms

HTTPS

34ms

TLSA

37ms

SOA

0ms

MTA-STS

38ms

DNSSEC

101ms

SRV

33ms

Total

664ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 16:59:38	664ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-26 08:00:58	1797ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-25 07:57:38	5000ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-12 04:40:39	5285ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-26 23:45:45	501ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-23 14:41:57	4687ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-21 19:05:37	1137ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 04:22:43	2620ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-17 11:56:12	643ms	2 NS 0 A 5 MX	🔒 Secure	View