margo.dk
📜 Historical scan 2026-08-15 16:38:20  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   190ms
🌍 A Records1 records   194ms
📧 MX Records5 records   193ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.protonmail.ch 176.119.200.128
185.205.70.128
185.70.42.128
mail.protonmail.ch
mail.protonmail.ch
mail.protonmail.ch
AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
20 300s mailsec.protonmail.ch 176.119.200.129
185.205.70.129
185.70.42.129
mailsec.protonmail.ch
mailsec.protonmail.ch
mailsec.protonmail.ch
AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
28 300s route1.mx.cloudflare.net 162.159.205.11
162.159.205.12
162.159.205.13
2606:4700:f5::b
2606:4700:f5::c
2606:4700:f5::d
route1.mx.cloudflare.net
route1.mx.cloudflare.net
route1.mx.cloudflare.net
route1.mx.cloudflare.net
route1.mx.cloudflare.net
route1.mx.cloudflare.net
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
52 300s route1.mx.cloudflare.net 162.159.205.11
162.159.205.12
162.159.205.13
2606:4700:f5::b
2606:4700:f5::c
2606:4700:f5::d
route1.mx.cloudflare.net
route1.mx.cloudflare.net
route1.mx.cloudflare.net
route1.mx.cloudflare.net
route1.mx.cloudflare.net
route1.mx.cloudflare.net
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
86 300s route1.mx.cloudflare.net 162.159.205.11
162.159.205.12
162.159.205.13
2606:4700:f5::b
2606:4700:f5::c
2606:4700:f5::d
route1.mx.cloudflare.net
route1.mx.cloudflare.net
route1.mx.cloudflare.net
route1.mx.cloudflare.net
route1.mx.cloudflare.net
route1.mx.cloudflare.net
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records4 records   420ms
TXT Record
brevo-code:4ac9989f89af0d6390e9eae9523da2cb
protonmail-verification=5c0c04eda860ec7af8f089a97077dec1b2348cee
v=spf1 include:_spf.mx.cloudflare.net ~all
v=spf1 include:_spf.protonmail.ch ~all
✉️ SPF
⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (margo.dk)
~all (soft fail) v=spf1 include:_spf.mx.cloudflare.net ~all
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all
📨 DMARC
PolicyRecord (_dmarc.margo.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:rua@dmarc.brevo.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 / DANE7 records   541ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.route1.mx.cloudflare.net DANE-EE · SPKI · SHA-256 0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net DANE-EE · SPKI · SHA-256 9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route1.mx.cloudflare.net DANE-TA · SPKI · SHA-256 59E738E674221702AF1EDB87C5200C1A…
🔐 DNSSEC322ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2412243229
Primary NS (MNAME)chris.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
190ms
A
194ms
MX
193ms
AAAA
201ms
TXT
420ms
CAA
216ms
HTTPS
215ms
TLSA
541ms
SOA
0ms
MTA-STS
249ms
DNSSEC
322ms
SRV
235ms
Total
3736ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-29 06:14:39 2129ms 2 NS 1 A 5 MX 🔓 Insecure View
2026-08-27 19:47:20 1142ms 2 NS 1 A 5 MX 🔓 Insecure View
2026-08-15 16:38:20 3736ms 2 NS 1 A 5 MX 🔓 Insecure View
2026-08-11 22:54:47 3702ms 2 NS 1 A 5 MX 🔓 Insecure View
2026-08-07 14:06:52 1857ms 2 NS 1 A 5 MX 🔓 Insecure View
2026-08-03 23:51:51 1413ms 2 NS 1 A 5 MX 🔓 Insecure View
2026-07-21 01:52:36 1663ms 2 NS 1 A 5 MX 🔓 Insecure View
2026-07-17 22:23:07 10910ms 2 NS 1 A 5 MX 🔓 Insecure View
2026-07-07 03:21:56 3566ms 2 NS 1 A 5 MX 🔓 Insecure View
2026-07-05 20:58:13 1826ms 2 NS 1 A 5 MX 🔓 Insecure View
2026-07-03 13:44:49 20760ms 2 NS 1 A 5 MX 🔓 Insecure View
2026-06-26 03:21:30 1188ms 2 NS 2 A 5 MX 🔓 Insecure View
2026-06-26 02:47:47 1018ms 2 NS 2 A 5 MX 🔓 Insecure View
2026-06-21 18:05:48 10652ms 2 NS 2 A 5 MX 🔓 Insecure View
2026-06-21 09:27:18 930ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 05:08:39 1526ms 2 NS 2 A 5 MX 🔓 Insecure View
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