prevas.dk

Records from scan: 2026-10-07 14:01:26 · 2825ms total · last checked 2026-10-19 13:52 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

prevas.dk is a .dk domain served by 4 nameservers (dns01.dipcon.com, dns02.ports.se, dns03.ports.se and 1 more). It was registered on 27 July 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.84.52.199 is hosted by SiteVision AB (AS41174) in Sweden. Mail is handled by prevas-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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#

4 records 137ms

Nameserver	IP addresses	PTR	ASN / ISP
dns01.dipcon.com	193.14.90.50 2a00:801:fb:253::4	dns01.dipcon.com dns01.dipcon.com	AS1257 Tele2 SWIPnet AS1257 Tele2 SWIPnet
dns02.ports.se	2001:19f0:5001:2a:5400:ff:fe38:1e6f 45.63.42.179	dns02.ports.se dns02.ports.se	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC
dns03.ports.se	2a04:3540:1000:310:287e:f6ff:fe1d:4789 94.237.33.102	dns03.ports.se dns03.ports.se	AS202053 UpCloud Ltd AS202053 UpCloud Ltd
dns04.ports.net	158.255.211.116 2a03:f80:ed15:3ec8::1	dns04.ports.net dns04.ports.net	AS57169 EDIS GmbH AS57169 EDIS GmbH

🌍 A Records#

1 records 142ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.84.52.199	300s	—	AS41174	SiteVision AB	185.84.52.0/22	🇸🇪 Sweden	—

📧 MX Records#

1 records 114ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	prevas-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::22 2a01:111:f403:ca48::a 2a01:111:f403:ca48::e 52.101.103.162 52.101.73.120 52.101.73.153 52.101.91.21	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-am7pr02cu00300.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-matpr05cu00105.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 → 52.98.179.216

🔷 AAAA Records (IPv6)#

1 records 128ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a05:a140::199	300s	—	AS41174	SiteVision AB	2a05:a140:0:0:0:0:0:0/29	🇸🇪 Sweden	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 662ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	0	5061	sipfed.online.lync.com

📝 TXT Records#

7 records 804ms

TXT Record
aFiA6pZH92bQJeqEpLBBQx8Sxl/0JCHi+uSZXeEhh4jMdkHq6uobAYsYTkucx7Bc9SseAoR8YW17KYdlgGA80A==
atlassian-sending-domain-verification=c543726c-83b0-4bfe-a9cd-9580ae16966e
bw=PkpdwXC87S02fqaSHVOhaNeHzf6uoOFRbtDl6KUBfpSo
globalsign-domain-verification=_tBqrxigz1h2XBv1a1kvpPutVRzprInDFAG_xtr4C4
MS=ms68259175
v=spf1 a mx ip4:62.95.78.3 ip4:62.95.78.10 a:mail.workbuster.se include:_spf.atlassian.net include:spf.protection.outlook.com include:mail.sitevision-cloud.net -all
YXnI8+XcwoYBApf3TupOuNKYELtco8jHKBhDFl53rf8=

✉️ SPF#

Policy	Record (prevas.dk)
-all (hard fail)	v=spf1 a mx ip4:62.95.78.3 ip4:62.95.78.10 a:mail.workbuster.se include:_spf.atlassian.net include:spf.protection.outlook.com include:mail.sitevision-cloud.net -all

📨 DMARC#

Policy	Record (_dmarc.prevas.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@prevas.dk; ruf=mailto:dmarc@prevas.dk; adkim=s; aspf=s

📬 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 14:01:26

www	Address record (no CNAME)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-prevas-dk._domainkey.prevasonline.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

225ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

77ms

Field	Value
Serial	2026100600
Primary NS (MNAME)	dns01.dipcon.com
Responsible (RNAME)	registry@ports.net
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-07 14:08:41

Field	Value
Registrar	Abion AB
Registered	2001-07-27
Expires	2027-09-30 (345d)

📋 WHOIS#

⏱️ Lookup Timing#

137ms

142ms

114ms

AAAA

128ms

TXT

804ms

CAA

116ms

HTTPS

112ms

TLSA

217ms

SOA

77ms

MTA-STS

164ms

DNSSEC

225ms

SRV

662ms

Total

2825ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 14:01:26 shown	2825ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-03 11:30:35	1681ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-27 00:38:49	3231ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 07:33:06	994ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-19 23:04:27	2498ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-18 03:14:01	1355ms	4 NS 1 A 1 MX	🔓 Insecure