optimalfodterapi.dk DNS records

🖥️ Nameservers2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
casey.ns.cloudflare.com	108.162.195.158 162.159.44.158 172.64.35.158 2606:4700:58::a29f:2c9e 2803:f800:50::6ca2:c39e 2a06:98c1:50::ac40:239e	casey.ns.cloudflare.com casey.ns.cloudflare.com casey.ns.cloudflare.com casey.ns.cloudflare.com casey.ns.cloudflare.com casey.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
melinda.ns.cloudflare.com	108.162.192.198 172.64.32.198 173.245.58.198 2606:4700:50::adf5:3ac6 2803:f800:50::6ca2:c0c6 2a06:98c1:50::ac40:20c6	melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.41.213	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.151.171	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 35ms

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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.41.213
🔶 Autoconfig	104.21.41.213

🔷 AAAA Records (IPv6)2 records 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:29d5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:97ab	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 54ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.41.213,172.67.151.171 ech=AEX+DQBBFwAgACD9pTp4luqDPG8kfKWiTZurCCGXqm1gbnKvAXHor2wxAQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:29d5,2606:4700:3036::ac43:97ab

🔌 SRV Records1 records 91ms

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

📝 TXT Records1 records 217ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF

Policy	Record (optimalfodterapi.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 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 / DANE2 records 53ms

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

🔐 DNSSEC68ms

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

🏷️ SOA48ms

Field	Value
Serial	2406843066
Primary NS (MNAME)	casey.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

33ms

A

64ms

MX

35ms

AAAA

50ms

TXT

217ms

CAA

32ms

HTTPS

54ms

TLSA

53ms

SOA

48ms

MTA-STS

76ms

DNSSEC

68ms

SRV

91ms

Total

864ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 16:27:51	773ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-12 07:03:35	2343ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-06 09:56:39	1840ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-03 14:54:22	10373ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-28 01:58:59	864ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 06:42:58	2345ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 08:43:15	2956ms	2 NS 2 A 1 MX	🔓 Insecure	View