guldfeldt-byg.dk
Last scanned: 2026-08-30 16:15:01  ·  3280ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   27ms
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   24ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.221.124.11 43200s — AS51377 CoMaSys ApS 193.221.124.0/24 🇩🇰 Denmark —
📧 MX Records3 records   39ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s guldfeldt-byg-dk.mx1-dk.mailanyone.net 192.162.219.155
2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd		 mx41.electric.net
mx11.electric.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
20 600s guldfeldt-byg-dk.mx2-dk.mailanyone.net 192.162.219.155
2001:978:2a01:0:192:162:217:4		 mx41.electric.net
—		 AS16509 Amazon.com, Inc.
AS174 Cogent Communications, LLC
30 600s guldfeldt-byg-dk.mx3-dk.mailanyone.net 192.162.219.255 mx41.electric.net AS16509 Amazon.com, Inc.
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover193.221.124.11
🔶 Autoconfig193.221.124.11
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   131ms
TXT Record
MS=ms58657327
v=spf1 include:spf.protection.outlook.com include:spf.mailanyone.net mx a:mail.hjsas.dk -all
✉️ SPF
PolicyRecord (guldfeldt-byg.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com include:spf.mailanyone.net mx a:mail.hjsas.dk -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)
🔐 DNSSEC97ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082901
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
27ms
A
24ms
MX
39ms
AAAA
22ms
TXT
131ms
CAA
34ms
HTTPS
33ms
TLSA
156ms
SOA
0ms
MTA-STS
42ms
DNSSEC
97ms
SRV
49ms
Total
3280ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 16:15:01 3280ms 2 NS 1 A 3 MX 🔒 Secure View
2026-08-06 01:48:21 1248ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-01 01:55:28 723ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-22 08:01:41 700ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-20 02:52:39 2493ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-19 23:42:05 1095ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-19 11:07:02 922ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-17 10:50:22 855ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-17 10:39:14 753ms 2 NS 1 A 3 MX 🔒 Secure View
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