flensbak.dk DNS records

🖥️ Nameservers2 records 301ms

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 240ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.116.231.187	43200s	—	AS47292	Sentia Denmark A/S	217.116.224.0/20	🇩🇰 Denmark	—

📧 MX Records7 records 291ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	142.251.127.26 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c22::1a	yulpptr-in-f26.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt2.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx2.googlemail.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
30	43200s	aspmx3.googlemail.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx4.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
30	43200s	aspmx5.googlemail.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	217.116.231.187
🔶 Autoconfig	217.116.231.187

🔷 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)

🔐 DNSSEC384ms

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

🏷️ SOA299ms

Field	Value
Serial	2026061201
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

301ms

A

240ms

MX

291ms

AAAA

285ms

TXT

526ms

CAA

253ms

HTTPS

300ms

TLSA

283ms

SOA

299ms

MTA-STS

339ms

DNSSEC

384ms

SRV

330ms

Total

2361ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 15:54:00	4775ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-17 01:31:43	7374ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-13 09:43:46	11894ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-19 12:49:35	1451ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-14 16:21:37	1164ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-13 14:06:48	1338ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-08 18:24:24	5650ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-01 23:22:55	2361ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-17 09:17:51	1658ms	2 NS 1 A 7 MX	🔒 Secure	View