halkyon.dk
Last scanned: 2026-08-25 19:52:11  ·  757ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   35ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   47ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.62.101.41 43200s 0x573e6529.static.cust.fastspeed.dk AS3292 TDC Holding A/S 87.62.0.0/15 🇩🇰 Denmark Viborg
📧 MX Records2 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
10 900s mail1.tychobrahe.dk 87.62.101.41 0x573e6529.static.cust.fastspeed.dk AS3292 TDC Holding A/S
20 900s mail2.tychobrahe.dk 87.62.101.41 0x573e6529.static.cust.fastspeed.dk AS3292 TDC Holding A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverhalkyon.dk → 87.62.101.41
🔶 Autoconfighalkyon.dk → 87.62.101.41
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   178ms
TXT Record
google-site-verification=GXjcAUoFgSokLqgoOmff87LuQ0t3Jhv7d09oClISIW4
v=spf1 mx:tychobrahe.dk -all
✉️ SPF
PolicyRecord (halkyon.dk)
-all (hard fail) v=spf1 mx:tychobrahe.dk -all
📨 DMARC
PolicyRecord (_dmarc.halkyon.dk)
p=reject v=DMARC1; p=reject; rua=mailto:post@tychobrahe.dk; ruf=mailto:post@tychobrahe.dk;
📬 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.halkyon.dk halkyon.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC75ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081001
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
35ms
A
47ms
MX
52ms
AAAA
37ms
TXT
178ms
CAA
38ms
HTTPS
40ms
TLSA
97ms
SOA
0ms
MTA-STS
56ms
DNSSEC
75ms
SRV
65ms
Total
757ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 19:52:11 757ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-10 13:00:47 2254ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-14 17:51:21 2960ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-12 19:26:31 803ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-25 12:38:25 765ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-24 22:07:24 750ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-23 17:14:10 831ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 10:47:34 610ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 10:46:44 995ms 2 NS 1 A 2 MX 🔒 Secure View
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