holm-halby.dk
Last scanned: 2026-07-03 13:24:19  ·  2516ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   41ms
NameserverIP addressesPTRASN / ISP
ns1.dnshost.net 2a0b:8e00::10
91.237.67.1		 ns1.dnshost.net
ns1.dnshost.net		 AS1921 ipcom GmbH
AS1921 ipcom GmbH
ns2.dnshost.net 185.167.176.1
2a0b:8e00:1::10		 ns2.dnshost.net
ns2.dnshost.net		 AS207021 ipcom GmbH
AS207021 ipcom GmbH
🌍 A Records1 records   2030ms
IPTTLPTRASNISP / OrgCIDRCountryCity
20.126.78.209 298s — AS8075 Microsoft Corporation 20.64.0.0/10 🇳🇱 The Netherlands Amsterdam
📧 MX Records1 records   46ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mx.mentor-it.dk 176.62.205.101
176.62.205.102
176.62.205.103
176.62.205.104		 mx1.mentor-it.dk
mx2.mentor-it.dk
mx3.mentor-it.dk
mx4.mentor-it.dk		 AS57030 Itm8 A/S
AS57030 Itm8 A/S
AS57030 Itm8 A/S
AS57030 Itm8 A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.56
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   82ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com
📝 TXT Records7 records   209ms
TXT Record
google-site-verification=_A9XGYhLkY1GWtDpbqyBjBY_ZK8H3PWQb9nijC83VpM
google-site-verification=wqlzwHc9qsFJ3ZiDAvl-FA3scp5RXyU13lhUWtCZ7dw
MS=ms33451324
ms28520100
ogtonfrrqefq8rf8ukkfbqapsg
v=spf1 include:spf.protection.outlook.com ip4:217.13.243.56 ip4:52.138.216.130 ip4:217.13.243.53 ip4:50.31.43.121 ip4:86.58.175.4/32 ip4:86.58.175.12/32 ip4:130.185.143.10 ip4:176.62.207.45 include:dksmtp.yulsn.io include:spf.flowmailer.net include:servers.mcsv.net include:mailgun.org include:spf.mentor-it.dk ip4:77.221.252.232/29 -all
Y1hq24B
✉️ SPF
PolicyRecord (holm-halby.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com ip4:217.13.243.56 ip4:52.138.216.130 ip4:217.13.243.53 ip4:50.31.43.121 ip4:86.58.175.4/32 ip4:86.58.175.12/32 ip4:130.185.143.10 ip4:176.62.207.45 include:dksmtp.yulsn.io include:spf.flowmailer.net include:servers.mcsv.net include:mailgun.org include:spf.mentor-it.dk ip4:77.221.252.232/29 -all
📨 DMARC
PolicyRecord (_dmarc.holm-halby.dk)
p=reject v=DMARC1; p=reject; sp=reject; pct=100; adkim=r; aspf=r
📬 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)
🔐 DNSSEC120ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1782979111
Primary NS (MNAME)ns1.dnshost.net
Responsible (RNAME)zonemaster\@dnshost@net
Refresh43200s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
41ms
A
2030ms
MX
46ms
AAAA
40ms
TXT
209ms
CAA
48ms
HTTPS
43ms
TLSA
59ms
SOA
0ms
MTA-STS
60ms
DNSSEC
120ms
SRV
82ms
Total
2516ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-03 13:24:19 2516ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-26 02:49:19 1860ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 13:28:59 2348ms 2 NS 1 A 1 MX 🔓 Insecure View
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