seerup-optics.dk DNS records

🖥️ Nameservers2 records 121ms

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 117ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.46.3.99	3600s	dedi899.your-server.de	AS24940	Hetzner Online GmbH	78.46.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 87ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	seerupoptics-dk01e.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::26 2a01:111:f403:ca09::4 2a01:111:f403:ca09::6 52.101.103.143 52.101.68.12 52.101.68.32 52.101.73.4	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)1 records 106ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:d0a:329c::2	3600s	dedi899.your-server.de	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 310ms

TXT Record
google-site-verification=_WJRlUPv9zpdSLn8jHswrbBY4bQ9JEmXqBUONGYpxOA
v=spf1 include:spf.protection.outlook.com include:mailgun.org -all

✉️ SPF

Policy	Record (seerup-optics.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:mailgun.org -all

📨 DMARC

Policy	Record (_dmarc.seerup-optics.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 / DANE

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

🔐 DNSSEC225ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-07-02 12:15:23

Field	Value
Registrar	ONE.COM A/S
Registered	2012-06-26
Expires	2027-06-30 (301d)

📋 WHOIS

⏱️ Lookup Timing

NS

121ms

A

117ms

MX

87ms

AAAA

106ms

TXT

310ms

CAA

156ms

HTTPS

94ms

TLSA

912ms

SOA

0ms

MTA-STS

173ms

DNSSEC

225ms

SRV

152ms

Total

2667ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 02:55:53	2667ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 09:19:50	2969ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 15:06:14	882ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 22:07:19	1996ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 12:10:14	2250ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 06:36:48	907ms	2 NS 1 A 1 MX	🔒 Secure	View