optimusg.dk DNS records

🖥️ Nameservers2 records 268ms

Nameserver	IP addresses	PTR	ASN / ISP
greg.ns.cloudflare.com	108.162.193.115 172.64.33.115 173.245.59.115 2606:4700:58::adf5:3b73 2803:f800:50::6ca2:c173 2a06:98c1:50::ac40:2173	greg.ns.cloudflare.com greg.ns.cloudflare.com greg.ns.cloudflare.com greg.ns.cloudflare.com greg.ns.cloudflare.com greg.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
maya.ns.cloudflare.com	108.162.192.194 172.64.32.194 173.245.58.194 2606:4700:50::adf5:3ac2 2803:f800:50::6ca2:c0c2 2a06:98c1:50::ac40:20c2	maya.ns.cloudflare.com maya.ns.cloudflare.com maya.ns.cloudflare.com maya.ns.cloudflare.com maya.ns.cloudflare.com maya.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 245ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.72.22	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.174.29	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 286ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)2 records 247ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:ae1d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:4816	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 295ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.72.22,172.67.174.29 ech=AEX+DQBBXwAgACDgj+Ybi9OhzyLCxwApWe8qYkEF/0KqoyAMVHF7ZF/DVgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:ae1d,2606:4700:3033::6815:4816

🔌 SRV Records1 records 342ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.optimusg.dk	fGMotUxMM01JLfBRTeP6j0l67ZMXRx-1rUF2a0NgTRY
TXT	_acme-challenge.optimusg.dk	YpWoKmM9sv8NfhwXdxqfV83A_mcsfj4xO8syCz4G2kE

🔗 TLSA / DANE2 records 628ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC506ms

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	2412768272
Primary NS (MNAME)	greg.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

268ms

A

245ms

MX

286ms

AAAA

247ms

TXT

648ms

CAA

260ms

HTTPS

295ms

TLSA

628ms

SOA

0ms

MTA-STS

375ms

DNSSEC

506ms

SRV

342ms

Total

7123ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-22 01:58:57	7123ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-21 01:49:16	2615ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-19 23:29:41	6781ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-02 12:44:55	1434ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-28 11:09:59	10529ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-19 20:27:09	24744ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 11:54:58	1022ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 06:58:59	1174ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 05:05:06	3698ms	2 NS 2 A 1 MX	🔓 Insecure	View