vlt-byg.dk

📜 Historical scan 2026-08-02 11:03:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

vlt-byg.dk is a .dk domain served by 2 nameservers (chris.ns.cloudflare.com, dell.ns.cloudflare.com). It was registered on 15 September 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.106.156 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by vltbyg-dk0i.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 27ms

Nameserver	IP addresses	PTR	ASN / ISP
chris.ns.cloudflare.com	108.162.193.85 172.64.33.85 173.245.59.85 2606:4700:58::adf5:3b55 2803:f800:50::6ca2:c155 2a06:98c1:50::ac40:2155	chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dell.ns.cloudflare.com	108.162.192.94 172.64.32.94 173.245.58.94 2606:4700:50::adf5:3a5e 2803:f800:50::6ca2:c05e 2a06:98c1:50::ac40:205e	dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.106.156	60s	linux216.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	vltbyg-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::1 2a01:111:f403:ca09::5 2a01:111:f403:ca09::e 52.101.68.21 52.101.68.29 52.101.68.36 52.101.73.6	mail-db6pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com — mail-dbapr03cu00105.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.56
🔶 Autoconfig	193.8.38.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 261ms

TXT Record
MS=ms51655726
v=spf1 a:smtpout.pro.dk include:spf.curanet.dk include:spf.unoeuro.com include:spf.itnetworks.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (vlt-byg.dk)
-all (hard fail)	v=spf1 a:smtpout.pro.dk include:spf.curanet.dk include:spf.unoeuro.com include:spf.itnetworks.dk include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.vlt-byg.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 2026-10-12 15:28:25

www	94.231.106.156 (AS48854) (address records, no CNAME)
www vs bare domain	Same network vlt-byg.dk: 94.231.106.156 (AS48854) www.vlt-byg.dk: 94.231.106.156 (AS48854)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u56286927.wl178.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u56286927.wl178.sendgrid.net	RSA · ~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: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

163ms

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	2410935763
Primary NS (MNAME)	chris.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-21 04:08:22

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-09-15
Expires	2027-09-30 (342d)

🔗 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
tag-udskiftning.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

27ms

52ms

61ms

AAAA

64ms

TXT

261ms

CAA

72ms

HTTPS

58ms

TLSA

1257ms

SOA

0ms

MTA-STS

46ms

DNSSEC

163ms

SRV

119ms

Total

18357ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 15:28:25	1014ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 04:41:31	1194ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-28 14:04:32	1008ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-14 03:54:12	1488ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-02 11:03:10 shown	18357ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-03 00:32:55	1135ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 20:26:56	995ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 20:18:34	1648ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 15:42:34	4584ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 05:23:25	1165ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 14:16:32	2651ms	2 NS 1 A 1 MX	🔓 Insecure