polytekniskforening.dk
Last scanned: 2026-08-27 16:41:17  ·  1885ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   37ms
NameserverIP addressesPTRASN / 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 Records1 records   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
192.38.77.104 300s 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 Records1 records   862ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (polytekniskforening.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_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 Records2 records   56ms
FlagsTagValue
0 iodef mailto:abuse@pf.dk
0 issue letsencrypt.org
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC82ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2413264042
Primary NS (MNAME)brett.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
37ms
A
39ms
MX
46ms
AAAA
38ms
TXT
862ms
CAA
56ms
HTTPS
59ms
TLSA
126ms
SOA
0ms
MTA-STS
59ms
DNSSEC
82ms
SRV
82ms
Total
1885ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 16:41:17 1885ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-27 10:27:14 508ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-04 16:22:22 1018ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-10 19:43:33 8697ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-25 11:47:10 2348ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-17 13:25:24 623ms 2 NS 1 A 0 MX 🔒 Secure View
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