perimeter.dk

📜 Historical scan 2026-09-24 12:37:01  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

perimeter.dk is a .dk domain served by 3 nameservers (ns-112-c.gandi.net, ns-43-a.gandi.net, ns-83-b.gandi.net). It was registered on 16 July 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.188.2.51 is hosted by Loopia AB (AS39570) in Sweden. Mail is handled by perimeter-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records   50ms
NameserverIP addressesPTRASN / ISP
ns-112-c.gandi.net 217.70.187.113
2604:3400:aaac::71		 ns-112-c.gandi.net
ns-112-c.gandi.net		 AS209453 GANDI SAS
AS209453 GANDI SAS
ns-43-a.gandi.net 173.246.100.44
2001:4b98:aaaa::2c		 ns-43-a.gandi.net
ns-43-a.gandi.net		 AS209453 GANDI SAS
AS209453 GANDI SAS
ns-83-b.gandi.net 2001:4b98:aaab::54
213.167.230.84		 ns-83-b.gandi.net
ns-83-b.gandi.net		 AS209453 GANDI SAS
AS209453 GANDI SAS

🌍 A Records#

2 records   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.188.2.51 3600s webfront1.webcluster.loopia.se AS39570 Loopia AB 93.188.0.0/21 🇸🇪 Sweden —
93.188.2.55 3600s webfront5.webcluster.loopia.se AS39570 Loopia AB 93.188.0.0/21 🇸🇪 Sweden —

📧 MX Records#

1 records   46ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s perimeter-dk.mail.protection.outlook.com — — —

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

2 records   45ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:250:0:8::53 3600s webfront3.webcluster.loopia.se AS39570 Loopia AB 2a02:250:0:0:0:0:0:0/47 🇸🇪 Sweden —
2a02:250:0:8::55 3600s webfront5.webcluster.loopia.se AS39570 Loopia AB 2a02:250:0:0:0:0:0:0/47 🇸🇪 Sweden —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records   76ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 100 0 443 autodiscover.outlook.com
_sipfederationtls._tcp 100 0 5061 sipfed.online.lync.com

📝 TXT Records#

2 records   209ms
TXT Record
MS=ms18929631
v=spf1 mx a include:_spf.perimeterprotection.net ~all

✉️ SPF#

PolicyRecord (perimeter.dk)
~all (soft fail) v=spf1 mx a include:_spf.perimeterprotection.net ~all

📨 DMARC#

PolicyRecord (_dmarc.perimeter.dk)
p=none (monitor only) v=DMARC1; p=none;

📬 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#

latest probe, not this scan · checked 2026-10-15 03:41:57
wwwExists, no address
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

  • error include:_spf.perimeterprotection.net has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

124ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial1790208000
Primary NS (MNAME)ns1.gandi.net
Responsible (RNAME)hostmaster@gandi.net
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)10800s

📋 Registration#

WHOIS fetched 2026-10-15 03:58:41
FieldValue
RegistrarGANDI SAS
Registered2004-07-16
Expires2027-07-31 (287d)

🔗 Same registrant#

15 domains

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).

DomainRegistrar
altsikring.dkGANDI SAS
boernehavehegn.dkGANDI SAS
børnehavehegn.dkGANDI SAS
kibo-brandsikring.dkGANDI SAS
kibo-system.dkGANDI SAS
kibobrand.dkGANDI SAS
kibobrandsikring.dkGANDI SAS
kibosecuritycloud.dkGANDI SAS
kibosystem.dkGANDI SAS
mobilegatesecurity.dkGANDI SAS
mobilport.dkGANDI SAS
mobilsikring.dkGANDI SAS
perimeterprotection.dkGANDI SAS
sikkerhedsmontør.dkGANDI SAS
visuelkontrol.dkGANDI SAS
📋 WHOIS#

⏱️ Lookup Timing#

NS
50ms
A
41ms
MX
46ms
AAAA
45ms
TXT
209ms
CAA
45ms
HTTPS
49ms
TLSA
163ms
SOA
0ms
MTA-STS
59ms
DNSSEC
124ms
SRV
76ms
Total
1386ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 03:41:57 3545ms 3 NS 2 A 1 MX 🔓 Insecure
2026-10-08 16:00:13 4614ms 3 NS 2 A 1 MX 🔓 Insecure
2026-10-01 13:53:30 724ms 3 NS 2 A 1 MX 🔓 Insecure
2026-09-24 12:43:59 1841ms 3 NS 2 A 1 MX 🔓 Insecure
2026-09-24 12:37:01 shown 1386ms 3 NS 2 A 1 MX 🔓 Insecure
2026-09-21 11:09:04 1651ms 3 NS 2 A 1 MX 🔓 Insecure
2026-09-14 08:33:47 2020ms 3 NS 2 A 1 MX 🔓 Insecure
2026-09-10 23:33:54 2313ms 3 NS 2 A 1 MX 🔓 Insecure
2026-09-03 17:38:33 2190ms 3 NS 2 A 1 MX 🔓 Insecure
2026-08-27 15:09:14 1942ms 3 NS 2 A 1 MX 🔓 Insecure
2026-08-26 14:44:36 2355ms 3 NS 2 A 1 MX 🔓 Insecure
2026-08-20 08:34:41 1495ms 3 NS 2 A 1 MX 🔓 Insecure
2026-08-14 02:13:44 4126ms 3 NS 2 A 1 MX 🔓 Insecure
2026-08-07 10:15:10 944ms 3 NS 2 A 1 MX 🔓 Insecure
2026-08-04 13:42:04 1613ms 3 NS 2 A 1 MX 🔓 Insecure
2026-07-23 15:00:53 1859ms 3 NS 2 A 1 MX 🔓 Insecure
2026-07-16 09:42:42 10752ms 3 NS 2 A 1 MX 🔓 Insecure
2026-07-11 07:15:16 2015ms 3 NS 2 A 1 MX 🔓 Insecure
2026-07-03 19:24:35 2766ms 3 NS 2 A 1 MX 🔓 Insecure
2026-06-25 23:30:06 6343ms 3 NS 2 A 1 MX 🔓 Insecure
2026-06-23 07:26:37 924ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-19 09:53:25 4721ms 3 NS 2 A 1 MX 🔓 Insecure
2026-06-18 00:58:29 2304ms 3 NS 2 A 1 MX 🔓 Insecure
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