mapy.dk
📜 Historical scan 2026-08-20 20:02:21  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   47ms
NameserverIP addressesPTRASN / ISP
ams.seznam.cz 2a02:598:4444::4
77.75.75.230		 ams.seznam.cz
ams.seznam.cz		 AS43037 Seznam.cz, a.s.
AS43037 Seznam.cz, a.s.
ans.seznam.cz 2a02:598:3333::3
77.75.74.80		 ans.seznam.cz
ans.seznam.cz		 AS43037 Seznam.cz, a.s.
AS43037 Seznam.cz, a.s.
🌍 A Records1 records   62ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.75.78.173 300s static.seznam.cz AS43037 Seznam.cz, a.s. 77.75.72.0/21 🇨🇿 Czechia —
📧 MX Records4 records   55ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx1.seznam.cz 2a02:598:2::1090
77.75.77.90		 mx1.seznam.cz
mx1.seznam.cz		 AS43037 Seznam.cz, a.s.
AS43037 Seznam.cz, a.s.
20 300s mx2.seznam.cz 2a02:598:2::1042
77.75.77.42		 mx2.seznam.cz
mx2.seznam.cz		 AS43037 Seznam.cz, a.s.
AS43037 Seznam.cz, a.s.
50 300s mx50.seznam.cz — — —
60 300s mx60.seznam.cz — — —
🔷 AAAA Records (IPv6)1 records   46ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:598:a::78:173 300s static.seznam.cz AS43037 Seznam.cz, a.s. 2a02:598:0:0:0:0:0:0/32 🇨🇿 Czechia —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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 Records2 records   47ms
FlagsTagValue
0 iodef mailto:abuse-caa@firma.seznam.cz
0 issue letsencrypt.org;validationmethods=dns-01
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC135ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial1787184000
Primary NS (MNAME)ans.seznam.cz
Responsible (RNAME)hostmaster@seznam.cz
Refresh900s
Retry300s
Expire604800s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
47ms
A
62ms
MX
55ms
AAAA
46ms
TXT
378ms
CAA
47ms
HTTPS
64ms
TLSA
8194ms
SOA
0ms
MTA-STS
124ms
DNSSEC
135ms
SRV
8062ms
Total
17441ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 10:06:51 2487ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-20 20:02:21 17441ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-14 16:41:06 9210ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-09 15:20:13 4798ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-04 14:33:39 10183ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-24 02:59:00 2970ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-16 09:24:03 10356ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-11 22:31:33 1784ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-09 01:23:03 17988ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-03 10:30:54 10046ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-25 07:37:24 6423ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-18 07:10:18 1554ms 2 NS 1 A 4 MX 🔒 Secure View
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