headinsky.dk DNS records

🖥️ Nameservers2 records 52ms

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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.199.50.21	43200s	—	AS6206	Netrouting B.V.	91.199.50.0/24	🇷🇴 Romania	Bucharest

📧 MX Records7 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1a 64.233.162.27	lf-in-f26.1e100.net lf-in-x1a.1e100.net li-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt2.aspmx.l.google.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
30	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
30	43200s	aspmx3.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
30	43200s	aspmx4.googlemail.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx5.googlemail.com	108.177.125.26 2404:6800:400b:c01b::1b	tp-in-f26.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	91.199.50.21
🔶 Autoconfig	91.199.50.21

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 128ms

Service	Priority	Weight	Port	Target
_xmpp-server._tcp	0	0	5269	xmpp-server.l.google.com

📝 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)

🔐 DNSSEC131ms

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

🏷️ SOA0ms

Field	Value
Serial	2026071701
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

52ms

A

42ms

MX

38ms

AAAA

38ms

TXT

229ms

CAA

36ms

HTTPS

45ms

TLSA

277ms

SOA

0ms

MTA-STS

61ms

DNSSEC

131ms

SRV

128ms

Total

1909ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-21 01:45:14	4625ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-11 22:01:26	4254ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-21 15:40:50	5738ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-17 20:13:37	1909ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-12 23:02:57	2038ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-27 20:05:53	2431ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-23 19:35:00	1144ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 11:22:52	1112ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 11:06:51	1623ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-17 10:53:10	1538ms	2 NS 1 A 7 MX	🔒 Secure	View