holtecsolutions.dk

Records from scan: 2026-09-27 18:48:05 · 953ms total · last checked 2026-10-17 21:01 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holtecsolutions.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 11 December 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.221.38.83 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by holtecsolutions-dk.mail.protection.outlook.com, holtec.net.pri-mx.eu0109.smtproutes.com and 1 more. 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 37ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.221.38.83	60s	s1c4lb2.shopfactory.io	AS48854	team.blue Denmark A/S	185.221.36.0/22	🇩🇰 Denmark	—

📧 MX Records#

3 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	holtecsolutions-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca38::8 52.101.103.39 52.101.209.28 52.101.73.153 52.101.91.156	mail-db7pr03cu00601.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-maspr04cu00104.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
10	3600s	holtec.net.pri-mx.eu0109.smtproutes.com	149.13.75.27 2001:978:2:7::162:100	fe1-r3-in.fra02.l.antispamcloud.com fe1-r3-in.fra02.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC
90	3600s	holtec.net.bak-mx.eu0109.smtpbak.com	149.13.75.27 2001:978:2:7::162:100	fe1-r3-in.fra02.l.antispamcloud.com fe1-r3-in.fra02.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC

📧 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

🔌 SRV Records#

1 records 61ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 140ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:spf.scannet.dk -all

✉️ SPF#

Policy	Record (holtecsolutions.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.scannet.dk -all

📨 DMARC#

Policy	Record (_dmarc.holtecsolutions.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:service@holtecsolutions.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 2026-10-10 02:31:11

www	185.221.38.83 (AS48854) (address records, no CNAME)
www vs bare domain	Same network holtecsolutions.dk: 185.221.38.83 (AS48854) www.holtecsolutions.dk: 185.221.38.83 (AS48854)
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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-holtecsolutions-dk._domainkey.holtecsolutions.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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

76ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2025123001
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 2026-10-07 18:11:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-12-11
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

38ms

35ms

AAAA

43ms

TXT

140ms

CAA

35ms

HTTPS

51ms

TLSA

373ms

SOA

0ms

MTA-STS

44ms

DNSSEC

76ms

SRV

61ms

Total

953ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 18:48:05 shown	953ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-22 11:07:40	717ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-12 20:12:37	782ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-17 14:24:45	1381ms	2 NS 1 A 3 MX	🔒 Secure