testbutler.dk
📜 Historical scan 2026-06-27 13:30:24  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   52ms
🌍 A Records2 records   48ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.7.77 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.135.207 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   31ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover185.20.205.61
🔶 Autoconfig104.21.7.77
🔷 AAAA Records (IPv6)2 records   51ms
🔐 HTTPS Records1 records   43ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.7.77,172.67.135.207 ech=AEX+DQBBYAAgACArbOksvTM3kFzaPULF63HUd72mBTp2Q59SfUc5ZGMUIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:74d,2606:4700:3033::ac43:87cf
🔌 SRV Records1 records   78ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records3 records   163ms
TXT Record
google-site-verification=KDSTeHLTF0Ka8DDIXVkuy3OsJIDYfm9vdy29bUMAOrY
site-verification=de63d33ed2ac96e0457363e96c14fbd0
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (testbutler.dk)
-all (hard fail) v=spf1 include:spf.simply.com -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 / DANE2 records   58ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
🔐 DNSSEC112ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2407849763
Primary NS (MNAME)elma.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
52ms
A
48ms
MX
31ms
AAAA
51ms
TXT
163ms
CAA
39ms
HTTPS
43ms
TLSA
58ms
SOA
0ms
MTA-STS
54ms
DNSSEC
112ms
SRV
78ms
Total
902ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-04 05:57:06 10110ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-23 21:25:17 10289ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-21 12:40:00 918ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-03 01:34:01 919ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-27 13:30:24 902ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-20 21:49:08 2334ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-19 20:35:46 741ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-17 14:18:27 2204ms 2 NS 2 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone