polytekniskforening.dk

📜 Historical scan 2026-06-17 13:25:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

polytekniskforening.dk is a .dk domain served by 2 nameservers (brett.ns.cloudflare.com, gwen.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 192.38.77.104 is hosted by IDDQD-AS (AS1835) in Denmark. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 74ms

Nameserver	IP addresses	PTR	ASN / ISP
brett.ns.cloudflare.com	108.162.193.76 172.64.33.76 173.245.59.76 2606:4700:58::adf5:3b4c 2803:f800:50::6ca2:c14c 2a06:98c1:50::ac40:214c	brett.ns.cloudflare.com brett.ns.cloudflare.com brett.ns.cloudflare.com brett.ns.cloudflare.com brett.ns.cloudflare.com brett.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
gwen.ns.cloudflare.com	108.162.192.160 172.64.32.160 173.245.58.160 2606:4700:50::adf5:3aa0 2803:f800:50::6ca2:c0a0 2a06:98c1:50::ac40:20a0	gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
192.38.77.104	—	pf.dtu.dk	AS1835	IDDQD-AS	192.38.0.0/17	🇩🇰 Denmark	Kongens Lyngby

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 123ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (polytekniskforening.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.polytekniskforening.dk)
p=reject	v=DMARC1; p=reject; pct=100;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

2 records 36ms

Flags	Tag	Value
0	iodef	mailto:abuse@pf.dk
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 17:02:05

www	192.38.77.104 (AS1835) (address records, no CNAME)
www vs bare domain	Same network polytekniskforening.dk: 192.38.77.104 (AS1835) www.polytekniskforening.dk: 192.38.77.104 (AS1835)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

68ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2407043234
Primary NS (MNAME)	brett.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#

74ms

45ms

47ms

AAAA

67ms

TXT

123ms

CAA

36ms

HTTPS

24ms

TLSA

75ms

SOA

46ms

MTA-STS

64ms

DNSSEC

68ms

SRV

0ms

Total

623ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 17:02:05	788ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-21 00:19:45	634ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-27 16:41:17	1885ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-27 10:27:14	508ms	2 NS 1 A 0 MX	🔒 Secure
2026-08-04 16:22:22	1018ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-10 19:43:33	8697ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-25 11:47:10	2348ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-17 13:25:24 shown	623ms	2 NS 1 A 0 MX	🔒 Secure