briefer.dk
Last scanned: 2026-08-28 04:43:34  ·  1620ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   71ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
🌍 A Records4 records   47ms
IPTTLPTRASNISP / OrgCIDRCountryCity
3.174.18.115 3600s server-3-174-18-115.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 3.128.0.0/10 🇺🇸 United States —
3.174.18.121 3600s server-3-174-18-121.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 3.128.0.0/10 🇺🇸 United States —
3.174.18.66 3600s server-3-174-18-66.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 3.128.0.0/10 🇺🇸 United States —
3.174.18.97 3600s server-3-174-18-97.cph50.r.cloudfront.net AS16509 Amazon.com, Inc. 3.128.0.0/10 🇺🇸 United States —
📧 MX Records1 records   67ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.briefer.dk 46.32.48.136 — AS39642 Sinal A/S
🔷 AAAA Records (IPv6)8 records   64ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2600:9000:28e5:0:f:2422:4640:93a1 3600s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:28e5:600:f:2422:4640:93a1 3600s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:28e5:9600:f:2422:4640:93a1 3600s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:28e5:9c00:f:2422:4640:93a1 3600s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:28e5:a600:f:2422:4640:93a1 3600s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:28e5:c00:f:2422:4640:93a1 3600s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:28e5:dc00:f:2422:4640:93a1 3600s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
2600:9000:28e5:ec00:f:2422:4640:93a1 3600s — AS16509 Amazon.com, Inc. 2600:9000:0:0:0:0:0:0/34 🇺🇸 United States —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   160ms
TXT Record
hosting-site=breefer-4be46
k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAptc8is/CQT0XKNaTh/6gfye0G1eKz8co2mVQj7ygkIl3wPlv/y929x2WftdaWdy6RfIAuXNvq02HfKWq2al6AT9HcZmte7AILMk5BgrUuNOUlqd/UEtPL+n7UswkC5LZrRrwRU8agBEMGjK7paKA2V8SltHTUsqrP2sSIU6DcsTCbbPYbopgh5u4h73xRiDbjM9tifPh+W6tA2bcTG2NbENdlNaSrssMlUNu3NFEcdKKtEvnss+8LyABuZ7dT+Dcu6Zj7cJAKNcY+zkhEbnsy7HK361VkHz1l/wm8TfJzXoHexPO0dRE7bj2th74HgntsFVCr61OEGfvcgeZCMAqUQIDAQAB
v=spf1 ip4:46.32.48.136 include:_spf.firebasemail.com ~all
✉️ SPF
PolicyRecord (briefer.dk)
~all (soft fail) v=spf1 ip4:46.32.48.136 include:_spf.firebasemail.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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC93ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026021601
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
71ms
A
47ms
MX
67ms
AAAA
64ms
TXT
160ms
CAA
75ms
HTTPS
43ms
TLSA
189ms
SOA
0ms
MTA-STS
86ms
DNSSEC
93ms
SRV
79ms
Total
1620ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 04:43:34 1620ms 3 NS 4 A 1 MX 🔒 Secure View
2026-06-20 15:56:29 1516ms 3 NS 4 A 1 MX 🔒 Secure View
2026-06-16 16:55:39 758ms 3 NS 4 A 1 MX 🔒 Secure View
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