optimalfodterapi.dk

📜 Historical scan 2026-08-06 09:56:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

optimalfodterapi.dk is a .dk domain served by 2 nameservers (casey.ns.cloudflare.com, melinda.ns.cloudflare.com). It was registered on 31 July 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.41.213 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 62ms

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 Records#

2 records 53ms

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 Records#

1 records 56ms

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	172.67.151.171
🔶 Autoconfig	172.67.151.171

🔷 AAAA Records (IPv6)#

2 records 36ms

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 Records#

1 records 70ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.41.213,172.67.151.171 ech=AEX+DQBBEgAgACAOQ91hgPrNGia8r34TU0E/FvhbMwry1KoOgdpjUsJLJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:29d5,2606:4700:3036::ac43:97ab

🔌 SRV Records#

1 records 128ms

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

📝 TXT Records#

1 records 227ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 06:36:09

www	104.21.41.213 172.67.151.171 2606:4700:3032::6815:29d5 2606:4700:3036::ac43:97ab (AS13335) (address records, no CNAME)
www vs bare domain	Same network optimalfodterapi.dk: 104.21.41.213 172.67.151.171 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.optimalfodterapi.dk: 104.21.41.213 172.67.151.171 2606:4700:3032::6815:29d5 2606:4700:3036::ac43:97ab (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records 72ms

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…

🔐 DNSSEC#

74ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2411361231
Primary NS (MNAME)	casey.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 06:50:07

Field	Value
Registrar	Simply.com A/S
Registered	2023-07-31
Expires	2027-07-30 (284d)

📋 WHOIS#

⏱️ Lookup Timing#

62ms

53ms

56ms

AAAA

36ms

TXT

227ms

CAA

50ms

HTTPS

70ms

TLSA

72ms

SOA

0ms

MTA-STS

89ms

DNSSEC

74ms

SRV

128ms

Total

1840ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 06:36:09	433ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-06 01:31:14	500ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 00:42:21	659ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-15 15:42:49	1370ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-05 11:01:54	587ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 16:27:51	773ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-12 07:03:35	2343ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-06 09:56:39 shown	1840ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-03 14:54:22	10373ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-28 01:58:59	864ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 06:42:58	2345ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 08:43:15	2956ms	2 NS 2 A 1 MX	🔓 Insecure