sysalert.dk

Records from scan: 2026-09-30 07:25:24 · 1113ms total · last checked 2026-10-21 17:32 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sysalert.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 6 June 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.186.17.138 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by sysalert-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 58ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.186.17.138	3600s	serveit.dk	AS44869	FIBIA P/S	5.186.0.0/16	🇩🇰 Denmark	Sorø

📧 MX Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sysalert-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::f 2a01:111:f403:ca09::a 2a01:111:f403:ca3c::6 52.101.68.25 52.101.68.39 52.101.91.153 52.101.91.159	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-matpr04cu00207.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 163ms

TXT Record
MS=ms26459443
v=spf1 ip4:5.186.17.138 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (sysalert.dk)
-all (hard fail)	v=spf1 ip4:5.186.17.138 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.sysalert.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:hostmaster@sysalert.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

🧩 Web & zone#

checked 2026-10-14 03:05:55

www	93.191.155.240 (AS48854) (address records, no CNAME)
www vs bare domain	Different networks sysalert.dk: 5.186.17.138 (AS44869) www.sysalert.dk: 93.191.155.240 (AS48854) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.sysalert.dk	yTtB8-9YOsT5Wj0IuBYfVW_W789oXCJGnQDW1yZtelw

🔗 TLSA / DANE#

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

🔐 DNSSEC#

90ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026091401
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-16 03:29:37

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-06-06
Expires	2027-06-30 (251d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
s-it.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

58ms

31ms

32ms

AAAA

37ms

TXT

163ms

CAA

33ms

HTTPS

34ms

TLSA

650ms

SOA

0ms

MTA-STS

46ms

DNSSEC

90ms

SRV

54ms

Total

1113ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 07:25:24 shown	1113ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 14:14:20	1183ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-20 02:47:26	1588ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 13:41:54	1209ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 23:04:32	1374ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 05:44:34	1188ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 17:45:06	6225ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 07:47:11	828ms	2 NS 1 A 1 MX	🔒 Secure