ullr.dk
📜 Historical scan 2026-08-26 14:44:52  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   33ms
🌍 A Records2 records   29ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.63.63 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.143.237 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records2 records   38ms
🔷 AAAA Records (IPv6)2 records   39ms
🔐 HTTPS Records1 records   36ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.63.63,172.67.143.237 ech=AEX+DQBBVAAgACAHSHUICxC8t/iQHx3wsFiEKQ08JFPD9rFsEmJ6bo5FEQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:8fed,2606:4700:3037::6815:3f3f
📝 TXT Records2 records   151ms
TXT Record
protonmail-verification=be0b145a23c8979b43d57ed360dadb0898d0d0da
v=spf1 include:_spf.protonmail.ch ~all
✉️ SPF
PolicyRecord (ullr.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all
📨 DMARC
PolicyRecord (_dmarc.ullr.dk)
p=quarantine v=DMARC1; p=quarantine
📬 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 / DANE4 records   83ms
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…
🔐 DNSSEC99ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2413199446
Primary NS (MNAME)glen.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 RegistrationWHOIS fetched 2026-07-06 17:33:07
FieldValue
RegistrarDANDOMAIN A/S
Registered2025-12-12
Expires2026-12-11 (99d)
📋 WHOIS
⏱️ Lookup Timing
NS
33ms
A
29ms
MX
38ms
AAAA
39ms
TXT
151ms
CAA
27ms
HTTPS
36ms
TLSA
83ms
SOA
0ms
MTA-STS
59ms
DNSSEC
99ms
SRV
47ms
Total
683ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 14:51:52 2046ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-08-28 18:04:36 2190ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-08-27 15:09:22 1151ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-08-26 14:44:52 683ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-08-24 21:29:02 3748ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-08-23 20:30:18 4247ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-08-22 17:32:03 3977ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-08-20 17:20:29 1562ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-08-19 16:14:43 1535ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-08-16 07:40:04 1794ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-08-11 11:11:16 4988ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-08-08 22:35:49 9095ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-08-07 11:10:08 10437ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-08-06 09:05:47 1968ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-08-04 00:32:57 1215ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-07-29 23:09:39 10054ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-07-28 01:55:57 9115ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-07-25 00:30:05 1330ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-07-22 23:18:22 1958ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-07-21 12:12:12 1410ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-07-18 23:19:41 1204ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-07-17 22:25:56 9368ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-07-14 14:16:17 1461ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-07-13 06:26:49 17279ms 2 NS 2 A 2 MX 🔓 Insecure View
2026-07-11 08:14:08 9801ms 2 NS 2 A 2 MX 🔓 Insecure View
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