bio-circ.dk
Last scanned: 2026-08-29 07:53:31  ·  472ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   38ms
NameserverIP addressesPTRASN / ISP
udns1.cscdns.net 2001:502:f3ff::201
204.74.66.1		 udns1.cscdns.uk
udns1.cscdns.net		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
udns2.cscdns.uk 2001:502:4612::201
204.74.111.1		 edns1.ultradns.org
ns2.webipdns.com.au		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
🌍 A Records1 records   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
204.74.99.100 300s crs.ultradns.net AS19905 Vercara, LLC 204.74.99.0/24 🇺🇸 United States —
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover204.74.99.100
🔶 Autoconfig204.74.99.100
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   194ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (bio-circ.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.bio-circ.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;
📬 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC98ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2024052306
Primary NS (MNAME)udns1.cscdns.net
Responsible (RNAME)hostmaster@cscdns.net
Refresh86400s
Retry86400s
Expire86400s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
38ms
A
31ms
MX
37ms
AAAA
37ms
TXT
194ms
CAA
32ms
HTTPS
35ms
TLSA
46ms
SOA
0ms
MTA-STS
53ms
DNSSEC
98ms
SRV
72ms
Total
472ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-29 07:53:31 472ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-28 00:24:23 683ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-26 23:15:18 798ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-23 19:00:10 1984ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-19 16:51:11 5089ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-13 23:40:35 1499ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-10 01:37:26 2308ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-04 04:38:37 8679ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-30 03:47:56 2522ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-24 17:26:53 648ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-21 23:21:42 672ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-15 04:08:15 599ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-08 09:51:28 2495ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-03 10:15:38 2405ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-30 13:38:02 785ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-27 02:56:02 744ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 14:37:19 475ms 2 NS 1 A 0 MX 🔒 Secure View
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