netgroup.dk

📜 Historical scan 2026-06-22 14:04:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

netgroup.dk is a .dk domain served by 2 nameservers (authns1.ngdc.net, authns2.ngdc.net). It was registered on 12 June 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.233.128.61 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by inbound-smtp.eu-west-1.amazonaws.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#

2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
authns1.ngdc.net	2001:1448:0:a800::53 217.30.38.181	authns1.ngdc.net dns1.sentia.dk	AS47292 Sentia Denmark A/S AS47292 Sentia Denmark A/S
authns2.ngdc.net	2001:1448:0:a500::53 217.30.38.27	authns2.ngdc.net dns2.sentia.dk	AS47292 Sentia Denmark A/S AS47292 Sentia Denmark A/S

🌍 A Records#

1 records 86ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.233.128.61	3600s	—	AS8075	Microsoft Corporation	52.224.0.0/11	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 85ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	inbound-smtp.eu-west-1.amazonaws.com	18.200.203.69 54.155.140.59 54.76.31.185	ec2-18-200-203-69.eu-west-1.compute.amazonaws.com ec2-54-155-140-59.eu-west-1.compute.amazonaws.com ec2-54-76-31-185.eu-west-1.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	exch03.office.corp.netgroup.dk

🔷 AAAA Records (IPv6)#

1 records 122ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:1448:240:83c::4d42:5832	3600s	—	AS47292	Sentia Denmark A/S	2001:1448:0:0:0:0:0:0/32	🇩🇰 Denmark	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 248ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	webmail2.netgroup.dk
_sipfederationtls._tcp	1	100	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 222ms

TXT Record
v=spf1 ip4:77.66.88.50 include:registrarmail.net ip4:77.66.4.22 ip4:77.66.27.165 ip4:217.116.234.168 ip4:77.66.27.220 ip4:77.66.19.24 ip4:217.116.227.6 ip4:77.66.28.241 ip4:77.66.28.225 ip4:77.66.27.218 ip4:87.54.22.135 ip4:77.66.27.212 include:_spf.nimta.com include:spf.protection.outlook.com ip4:77.66.76.2 ip4:77.66.76.17 ip4:77.66.4.21 mx ~all

✉️ SPF#

Policy	Record (netgroup.dk)
~all (soft fail)	v=spf1 ip4:77.66.88.50 include:registrarmail.net ip4:77.66.4.22 ip4:77.66.27.165 ip4:217.116.234.168 ip4:77.66.27.220 ip4:77.66.19.24 ip4:217.116.227.6 ip4:77.66.28.241 ip4:77.66.28.225 ip4:77.66.27.218 ip4:87.54.22.135 ip4:77.66.27.212 include:_spf.nimta.com include:spf.protection.outlook.com ip4:77.66.76.2 ip4:77.66.76.17 ip4:77.66.4.21 mx ~all

📨 DMARC#

Policy	Record (_dmarc.netgroup.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:aslmubyn@ag.dmarcian.com; aspf=r;adkim=r

📬 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 20:59:19

www CNAME	prd-website-sentia-app.azurewebsites.net (all on azurewebsites.net) ⚠ Dangling: the CNAME target does not exist. If that name can be claimed (an unregistered domain, or a free name on a hosting platform), whoever claims it controls www.netgroup.dk
www vs bare domain	www does not resolve netgroup.dk: 52.233.128.61 2001:1448:240:83c::4d42:5832 (AS8075 AS47292) www.netgroup.dk: no address (all like this)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 6/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

164ms

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

🏷️ SOA#

123ms

Field	Value
Serial	2026060702
Primary NS (MNAME)	authns1.ngdc.net
Responsible (RNAME)	hostmaster@ngdc.net
Refresh	10800s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-08 07:28:55

Field	Value
Registrar	ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA
Registered	1997-06-12
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

86ms

85ms

AAAA

122ms

TXT

222ms

CAA

83ms

HTTPS

32ms

TLSA

205ms

SOA

123ms

MTA-STS

80ms

DNSSEC

164ms

SRV

248ms

Total

823ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 11:43:50	952ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-20 08:02:54	3484ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 14:26:29	2770ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-16 18:19:40	2883ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-12 20:39:45	997ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-30 06:20:24	921ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 14:04:30 shown	823ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:06:39	1584ms	2 NS 1 A 1 MX	🔓 Insecure