centera.dk
Last scanned: 2026-08-27 13:21:53  ·  412ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   30ms
NameserverIP addressesPTRASN / ISP
curt.ns.cloudflare.com 108.162.193.94
172.64.33.94
173.245.59.94
2606:4700:58::adf5:3b5e
2803:f800:50::6ca2:c15e
2a06:98c1:50::ac40:215e		 curt.ns.cloudflare.com
curt.ns.cloudflare.com
curt.ns.cloudflare.com
curt.ns.cloudflare.com
curt.ns.cloudflare.com
curt.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
hera.ns.cloudflare.com 108.162.192.162
172.64.32.162
173.245.58.162
2606:4700:50::adf5:3aa2
2803:f800:50::6ca2:c0a2
2a06:98c1:50::ac40:20a2		 hera.ns.cloudflare.com
hera.ns.cloudflare.com
hera.ns.cloudflare.com
hera.ns.cloudflare.com
hera.ns.cloudflare.com
hera.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
🌍 A Records
🌍
No A records found
📧 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   164ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (centera.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.centera.dk)
p=reject v=DMARC1; p=reject; rua=mailto:5ea033a1c1d51@dmarc.centerasecurity.com;
📬 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)
🔐 DNSSEC100ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2413239857
Primary NS (MNAME)curt.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
30ms
A
29ms
MX
36ms
AAAA
30ms
TXT
164ms
CAA
34ms
HTTPS
30ms
TLSA
41ms
SOA
0ms
MTA-STS
46ms
DNSSEC
100ms
SRV
61ms
Total
412ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 13:21:53 412ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-07 10:10:49 2682ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-20 17:12:06 1913ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-11 17:54:19 783ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-23 15:57:26 2498ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-22 17:36:04 1162ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 19:20:05 409ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-16 20:05:53 509ms 2 NS 0 A 0 MX 🔒 Secure View
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