subroutine.dk
📜 Historical scan 2026-07-16 08:43:29  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   37ms
🌍 A Records2 records   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.24.180 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.219.224 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records2 records   30ms
🔷 AAAA Records (IPv6)2 records   31ms
🔐 HTTPS Records1 records   29ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.24.180,172.67.219.224 ech=AEX+DQBB0gAgACA40yolPWSaoWXajy1x8ajSb8Y+6W5397HzUceeECR+TwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:18b4,2606:4700:3037::ac43:dbe0
📝 TXT Records1 records   180ms
TXT Record
v=spf1 ip4:185.26.104.0/22 ~all
✉️ SPF
PolicyRecord (subroutine.dk)
~all (soft fail) v=spf1 ip4:185.26.104.0/22 ~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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC9062ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2409624536
Primary NS (MNAME)kate.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
30ms
MX
30ms
AAAA
31ms
TXT
180ms
CAA
29ms
HTTPS
29ms
TLSA
53ms
SOA
0ms
MTA-STS
48ms
DNSSEC
9062ms
SRV
57ms
Total
10448ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 11:54:51 686ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-20 02:00:28 1371ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-16 08:43:29 10448ms 2 NS 2 A 2 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone