strange-performance.dk

📜 Historical scan 2026-09-30 23:28:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

strange-performance.dk is a .dk domain served by 2 nameservers (cass.ns.cloudflare.com, dante.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.64.237 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.spamfri.dk, mx2.spamfri.dk and 1 more. 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 47ms

Nameserver	IP addresses	PTR	ASN / ISP
cass.ns.cloudflare.com	108.162.192.81 172.64.32.81 173.245.58.81 2606:4700:50::adf5:3a51 2803:f800:50::6ca2:c051 2a06:98c1:50::ac40:2051	cass.ns.cloudflare.com cass.ns.cloudflare.com cass.ns.cloudflare.com cass.ns.cloudflare.com cass.ns.cloudflare.com cass.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dante.ns.cloudflare.com	108.162.195.10 162.159.44.10 172.64.35.10 2606:4700:58::a29f:2c0a 2803:f800:50::6ca2:c30a 2a06:98c1:50::ac40:230a	dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com dante.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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.64.237	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.188.51	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.spamfri.dk	195.242.131.16 2001:67c:564:fffd::1001	mx1.spamfri.dk mx1.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
20	300s	mx2.spamfri.dk	193.200.91.109 2001:67c:564:fffd::2001	mx2.spamfri.dk mx2.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
30	300s	mx3.spamfri.dk	2a00:1b18:2:3:fe::2 62.69.152.43	mx3.spamfri.dk mx3.spamfri.dk	AS47527 DLX A/S AS47527 DLX A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	195.242.130.13
🔶 Autoconfig	195.242.130.13

🔷 AAAA Records (IPv6)#

2 records 60ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:bc33	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:40ed	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.64.237,172.67.188.51 ech=AEX+DQBBEgAgACCwaK7PCpaZAyTO+w4sUlgWGSG+/t/DPHwvrninBJj1FwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bc33,2606:4700:3033::6815:40ed

📝 TXT Records#

1 records 214ms

TXT Record
v=spf1 ip4:195.242.130.13 ip4:195.242.130.15 include:_spf.netgiganten.dk +a +mx ~all

✉️ SPF#

Policy	Record (strange-performance.dk)
~all (soft fail)	v=spf1 ip4:195.242.130.13 ip4:195.242.130.15 include:_spf.netgiganten.dk +a +mx ~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 2026-10-08 02:42:06

www	188.114.96.1 188.114.97.1 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network strange-performance.dk: 104.21.64.237 172.67.188.51 2606:4700:3030::ac43:bc33 2606:4700:3033::6815:40ed (AS13335) www.strange-performance.dk: 188.114.96.1 188.114.97.1 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.strange-performance.dk	wX7LIIltiEUPZen5Jb3CzWb8E7JC3Jtcuf0jRVEgtFg

🔗 TLSA / DANE#

3 records 109ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.spamfri.dk	DANE-EE · SPKI · SHA-256	884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk	DANE-EE · SPKI · SHA-256	6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk	DANE-EE · SPKI · SHA-256	BBFB0694919290E5BC9D6E2C6F47D846…

🔐 DNSSEC#

64ms

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

🏷️ SOA#

72ms

Field	Value
Serial	2413603781
Primary NS (MNAME)	cass.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

47ms

50ms

45ms

AAAA

60ms

TXT

214ms

CAA

57ms

HTTPS

39ms

TLSA

109ms

SOA

72ms

MTA-STS

52ms

DNSSEC

64ms

SRV

75ms

Total

1112ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 02:42:06	941ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-30 23:28:03 shown	1112ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-30 08:43:20	557ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-17 10:49:09	1376ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-04 03:43:38	2513ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-31 09:36:13	1091ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-26 15:29:46	9805ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-10 04:16:24	1479ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-03 13:21:22	9927ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-29 07:18:01	2794ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-17 11:37:52	1192ms	2 NS 2 A 3 MX	🔓 Insecure