defibtech.dk

Records from scan: 2026-09-06 01:39:04 · 2888ms total · last checked 2026-10-20 15:27 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

defibtech.dk is a .dk domain served by 3 nameservers (dns.runesa.eu, dns.runesa.net, dns.runesa.nl). It was registered on 28 January 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.144.239.64 is hosted by Signet B.V. (AS20857) in The Netherlands. Mail is handled by defibtech-nl.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

3 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
dns.runesa.eu	2a00:1bd0:0:143:2::1 94.124.88.205	nsc.runesa.nl nsc.runesa.nl	AS39704 CJ2 Hosting B.V. AS39704 CJ2 Hosting B.V.
dns.runesa.net	2a00:1ca8:e:4::7085:187 46.249.37.131	dns.runesa.net dns.runesa.net	AS50673 Serverius Holding B.V. AS50673 Serverius Holding B.V.
dns.runesa.nl	178.18.88.119 2a02:348:5b:58a5::1	srv06.runesa.nl nsa.runesa.nl	AS20857 Signet B.V. AS20857 Signet B.V.

🌍 A Records#

1 records 72ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
136.144.239.64	900s	d-siteonline4.host-ed.eu	AS20857	Signet B.V.	136.144.128.0/17	🇳🇱 The Netherlands	Groningen

📧 MX Records#

1 records 69ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	900s	defibtech-nl.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::d 2a01:111:f403:ca09::3 2a01:111:f403:ca3c::8 52.101.103.140 52.101.68.25 52.101.73.123 52.101.73.153	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.8
🔶 Autoconfig	autoconfig.runesa.nl → 149.210.172.201

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 123ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	100	1	443	autodiscover.runesa.nl

📝 TXT Records#

3 records 345ms

TXT Record
gZWshpRm9PkdeBTYL5rTbwgjK2AaiFu7
MS=ms18415027
v=spf1 a mx ptr ip4:149.210.224.116/21 ip4:149.210.224.115/32 ip4:149.210.224.30/32 ip4:194.50.163.125/32 ip4:194.50.163.117/32 ip4:31.149.39.0/24 a:webmail.medizon.nl include:_spf.mlsend.com include:_spf.mailersend.net include:_spf.createsend.com include:spf.protection.outlook.com include:spf.transsmart.com include:mailgun.org -all

✉️ SPF#

Policy	Record (defibtech.dk)
-all (hard fail)	v=spf1 a mx ptr ip4:149.210.224.116/21 ip4:149.210.224.115/32 ip4:149.210.224.30/32 ip4:194.50.163.125/32 ip4:194.50.163.117/32 ip4:31.149.39.0/24 a:webmail.medizon.nl include:_spf.mlsend.com include:_spf.mailersend.net include:_spf.createsend.com include:spf.protection.outlook.com include:spf.transsmart.com include:mailgun.org -all

📨 DMARC#

Policy	Record (_dmarc.defibtech.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; rua=mailto:postmaster@defibtech.nl!10m; rf=afrf; pct=100; ri=86400

📬 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 2026-10-09 20:31:55

www	136.144.239.64 (AS20857) (address records, no CNAME)
www vs bare domain	Same network defibtech.dk: 136.144.239.64 (AS20857) www.defibtech.dk: 136.144.239.64 (AS20857)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
s2	s2.domainkey.u2309038.wl039.sendgrid.net	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: 14/10 · policy: -all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)
error 14 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

117ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2025052000
Primary NS (MNAME)	dns.runesa.eu
Responsible (RNAME)	hostmaster@defibtech.nl
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-15 17:41:15

Field	Value
Registrar	Realtime Register B.V.
Registered	2008-01-28
Expires	2027-01-31 (101d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

55ms

72ms

69ms

AAAA

50ms

TXT

345ms

CAA

72ms

HTTPS

46ms

TLSA

800ms

SOA

0ms

MTA-STS

88ms

DNSSEC

117ms

SRV

123ms

Total

2888ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-06 01:39:04 shown	2888ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-29 09:58:43	1248ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-26 08:02:46	4950ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 01:34:26	2094ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 01:30:05	1124ms	3 NS 1 A 1 MX	🔓 Insecure