gusmester.dk DNS records

🖥️ Nameservers2 records 19ms

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 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records4 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.mailpod15-cph3.g1i.one.com	104.37.35.36	mx1.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx2.mailpod15-cph3.g1i.one.com	104.37.35.37	mx2.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx3.mailpod15-cph3.g1i.one.com	104.37.35.38	mx3.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx4.mailpod15-cph3.g1i.one.com	104.37.35.39	mx4.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	77.111.240.139
🔶 Autoconfig	77.111.240.139

🔷 AAAA Records (IPv6)1 records 28ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2620:127:f00f:5::	3600s	—	AS13335	Cloudflare, Inc.	2620:127:f00c:0:0:0:0:0/46	🇨🇦 Canada	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 374ms

TXT Record
apple-domain-verification=Nie63D8dFdW39rSN
k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDV7h0kHG46KYN/zEu2nt4xSLzY97Ppz2MrVhOG5rJqFN/tBW9L9wJOJ2fFzhDLk24zSUWG/UZf+T0/CLzjNLPiJFZ4G5j/ypIOdjVYYTiEuRvfYj5ek8KslcDsly99GyRUddnLdUX4URVh5AyLMG3ooMLzww+lEehJbbNWyU8Y9QIDAQAB
v=spf1 include:spf.mailjet.com include:_custspf.one.com ~all

✉️ SPF

Policy	Record (gusmester.dk)
~all (soft fail)	v=spf1 include:spf.mailjet.com include:_custspf.one.com ~all

📨 DMARC

Policy	Record (_dmarc.gusmester.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 / DANE4 records 1285ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…

🔐 DNSSEC99ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026082701
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

19ms

A

29ms

MX

24ms

AAAA

28ms

TXT

374ms

CAA

23ms

HTTPS

26ms

TLSA

1285ms

SOA

0ms

MTA-STS

36ms

DNSSEC

99ms

SRV

43ms

Total

2084ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 09:14:47	2084ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-08-26 09:07:10	802ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-08-25 19:23:14	1313ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-08-23 18:29:33	2546ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-08-22 17:46:22	16927ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-21 17:36:18	1137ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-20 17:34:35	2234ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-19 17:02:22	6042ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-18 16:59:55	3081ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-16 13:56:02	2952ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-15 05:36:16	1064ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 17:07:44	1720ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-21 13:57:40	967ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 10:42:07	867ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 10:42:00	948ms	2 NS 1 A 4 MX	🔒 Secure	View