alert.dk

Records from scan: 2026-10-07 16:54:31  ·  1458ms total  ·  last checked 2026-10-16 12:01 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

alert.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 April 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 191.235.208.12 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by .. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   38ms
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 Records#

1 records   32ms
IPTTLPTRASNISP / OrgCIDRCountryCity
191.235.208.12 43200s — AS8075 Microsoft Corporation 191.232.0.0/13 🇮🇪 Ireland Dublin

📧 MX Records#

1 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovertro.azurewebsites.net → 40.112.90.244
🔶 Autoconfigtro.azurewebsites.net → 40.112.90.244

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 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 Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-07 16:54:31
www CNAMEtro.azurewebsites.net (all on azurewebsites.net)
www vs bare domainSame network
alert.dk: 191.235.208.12 (AS8075)
www.alert.dk: 40.112.90.244 (AS8075)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.alert.dk tro.azurewebsites.net

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

104ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

45ms
FieldValue
Serial2026100701
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-07 17:17:53
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1999-04-16
Expires2027-06-30 (256d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
38ms
A
32ms
MX
37ms
AAAA
36ms
TXT
325ms
CAA
36ms
HTTPS
30ms
TLSA
577ms
SOA
45ms
MTA-STS
251ms
DNSSEC
104ms
SRV
253ms
Total
1458ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 16:54:31 shown 1458ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-02 15:08:57 725ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-02 12:21:36 779ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-08 05:51:16 1124ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-26 10:00:35 1251ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-09 20:22:25 5588ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-28 05:28:58 1114ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-16 12:36:42 999ms 2 NS 1 A 4 MX 🔒 Secure
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