by-lenn.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 Records

🌍

No A records found

📧 MX Records5 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1a 64.233.161.27	li-in-x1a.1e100.net li-in-f26.1e100.net lh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.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::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.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	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC 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 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 / DANE

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

🔐 DNSSEC83ms

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	2026081301
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

59ms

MX

55ms

AAAA

37ms

TXT

179ms

CAA

45ms

HTTPS

43ms

TLSA

75ms

SOA

0ms

MTA-STS

59ms

DNSSEC

83ms

SRV

62ms

Total

800ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 18:40:28	800ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-08-13 18:09:10	1155ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-15 11:07:27	1095ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-27 16:16:23	739ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-16 18:18:35	3739ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-16 18:09:50	432ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-16 18:05:14	2007ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-16 18:00:57	692ms	2 NS 0 A 5 MX	🔒 Secure	View