avcenter.dk

📜 Historical scan 2026-06-27 16:32:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

avcenter.dk is a .dk domain served by 2 nameservers (alex.ns.cloudflare.com, ollie.ns.cloudflare.com). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.50.64.17 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by avcenter-dk.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 45ms

Nameserver	IP addresses	PTR	ASN / ISP
alex.ns.cloudflare.com	108.162.193.100 172.64.33.100 173.245.59.100 2606:4700:58::adf5:3b64 2803:f800:50::6ca2:c164 2a06:98c1:50::ac40:2164	alex.ns.cloudflare.com alex.ns.cloudflare.com alex.ns.cloudflare.com alex.ns.cloudflare.com alex.ns.cloudflare.com alex.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ollie.ns.cloudflare.com	108.162.194.71 162.159.38.71 172.64.34.71 2606:4700:50::a29f:2647 2803:f800:50::6ca2:c247 2a06:98c1:50::ac40:2247	ollie.ns.cloudflare.com ollie.ns.cloudflare.com ollie.ns.cloudflare.com ollie.ns.cloudflare.com ollie.ns.cloudflare.com ollie.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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.50.64.17	300s	—	AS8075	Microsoft Corporation	20.48.0.0/12	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	avcenter-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::9 2a01:111:f403:ca04::a 2a01:111:f403:ca09:: 52.101.68.0 52.101.68.18 52.101.68.25 52.101.73.12	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am4pr0401cu00104.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

4 records 77ms

Service	Priority	Weight	Port	Target
_sip._tcp	10	100	5060	ygg1.vp.vc
_sip._tcp	50	100	5060	ygg2.vp.vc
_sip._udp	10	100	5060	ygg1.vp.vc
_sip._udp	50	100	5060	ygg2.vp.vc

📝 TXT Records#

4 records 180ms

TXT Record
_5mdyoxo7ermryapjq1bmueoogkemrkh
_y25lyegehsgyocn3xotcwpnht50khya
6mjmgndocfarusuftdc3ff0h2m
v=spf1 include:spfrerouting.xink.io include:sendgrid.net include:eu.mailgun.org include:spf.protection.outlook.com ip4:185.170.132.226 ip4:87.54.30.18 ip4:152.115.90.218 include:_spf.elasticemail.com include:emsd1.com -all

✉️ SPF#

Policy	Record (avcenter.dk)
-all (hard fail)	v=spf1 include:spfrerouting.xink.io include:sendgrid.net include:eu.mailgun.org include:spf.protection.outlook.com ip4:185.170.132.226 ip4:87.54.30.18 ip4:152.115.90.218 include:_spf.elasticemail.com include:emsd1.com -all

📨 DMARC#

Policy	Record (_dmarc.avcenter.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:b057200d5459712@rep.dmarcanalyzer.com; ruf=mailto:b057200d5459712@for.dmarcanalyzer.com; sp=none; fo=0:1:d: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#

latest probe, not this scan · checked 2026-10-17 12:57:28

www CNAME	app-avcenter-web-prod-01.azurewebsites.net (all on azurewebsites.net) → 20.50.64.17 (AS8075)
www vs bare domain	Same network avcenter.dk: 20.50.64.17 (AS8075) www.avcenter.dk: 20.50.64.17 (AS8075)
Wildcard	No

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u2019128.wl.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u2019128.wl.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector2	selector2-avcenter-dk._domainkey.avcenter.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: 9/10 · policy: -all

warn 9 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#

62ms

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

🏷️ SOA#

54ms

Field	Value
Serial	2407475472
Primary NS (MNAME)	alex.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 13:19:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-01-31
Expires	2034-03-31 (2720d)

🔗 Same registrant#

7 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).

Domain	Registrar
av-center.dk	Punktum dk A/S (direct)
av-centeret.dk	Punktum dk A/S (direct)
av-centret.dk	Punktum dk A/S (direct)
avcenterrental.dk	Punktum dk A/S (direct)
avcentret.dk	Punktum dk A/S (direct)
avcl.dk	Punktum dk A/S (direct)
vinduesdisplay.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

39ms

51ms

AAAA

70ms

TXT

180ms

CAA

37ms

HTTPS

38ms

TLSA

125ms

SOA

54ms

MTA-STS

53ms

DNSSEC

62ms

SRV

77ms

Total

935ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 12:57:28	2302ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-15 08:44:44	2322ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-13 06:08:02	2281ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 18:29:31	770ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-15 07:36:18	2346ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-01 05:02:00	1448ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-19 13:39:11	2282ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-17 02:35:48	1790ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-15 18:06:20	1608ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-27 16:32:47 shown	935ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-26 20:56:25	4552ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 10:14:23	1691ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 00:28:13	1339ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 15:43:41	2168ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 13:54:10	917ms	2 NS 1 A 1 MX	🔓 Insecure