nsg.dk

📜 Historical scan 2026-09-24 12:47:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nsg.dk is a .dk domain served by 2 nameservers (nicole.ns.cloudflare.com, seth.ns.cloudflare.com). It was registered on 1 June 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.16.201 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by nsg-dk.mail.protection.outlook.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 92ms

Nameserver	IP addresses	PTR	ASN / ISP
nicole.ns.cloudflare.com	108.162.192.211 172.64.32.211 173.245.58.211 2606:4700:50::adf5:3ad3 2803:f800:50::6ca2:c0d3 2a06:98c1:50::ac40:20d3	nicole.ns.cloudflare.com nicole.ns.cloudflare.com nicole.ns.cloudflare.com nicole.ns.cloudflare.com nicole.ns.cloudflare.com nicole.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
seth.ns.cloudflare.com	108.162.193.142 172.64.33.142 173.245.59.142 2606:4700:58::adf5:3b8e 2803:f800:50::6ca2:c18e 2a06:98c1:50::ac40:218e	seth.ns.cloudflare.com seth.ns.cloudflare.com seth.ns.cloudflare.com seth.ns.cloudflare.com seth.ns.cloudflare.com seth.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.16.201	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.215.230	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 96ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	nsg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::b 2a01:111:f403:ca04::f 2a01:111:f403:ca48::10 52.101.185.114 52.101.209.31 52.101.73.145 52.101.91.153	mail-db7pr03cu00601.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-matpr04cu00101.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

2 records 72ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:d7e6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:10c9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 71ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.16.201,172.67.215.230 ech=AEX+DQBBuAAgACCYfZwa4GZOvwEwgBl5qwPKjQFwsmBznWHeNsmmr5voDgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:d7e6,2606:4700:3033::6815:10c9

🔌 SRV Records#

1 records 111ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 223ms

TXT Record
facebook-domain-verification=1amtmln4qk0nf1rg5mt4sb6qb1p3i5
google-site-verification=xWdB0XbMUII0p37LNCKTxJr4xNniT8m2XVlUbry3q9c
v=spf1 include:spf.protection.outlook.com ip4:185.150.197.145 include:spfinclude.signflow.dk a:smtpbulk01.wwi.dk include:web.shared.mysmtp.com ip4:89.221.167.1/24 -all

✉️ SPF#

Policy	Record (nsg.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:185.150.197.145 include:spfinclude.signflow.dk a:smtpbulk01.wwi.dk include:web.shared.mysmtp.com ip4:89.221.167.1/24 -all

📨 DMARC#

Policy	Record (_dmarc.nsg.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 2026-10-19 12:39:44

www	104.21.16.201 172.67.215.230 2606:4700:3030::ac43:d7e6 2606:4700:3033::6815:10c9 (AS13335) (address records, no CNAME)
www vs bare domain	Same network nsg.dk: 104.21.16.201 172.67.215.230 2606:4700:3030::ac43:d7e6 2606:4700:3033::6815:10c9 (AS13335) www.nsg.dk: 104.21.16.201 172.67.215.230 2606:4700:3030::ac43:d7e6 2606:4700:3033::6815:10c9 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-nsg-dk._domainkey.nsgym.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: 7/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.nsg.dk	VEVw5IE7EdXFdxsH1toTT9S4_IsxXfSm3FsaBq3ELnI

🔗 TLSA / DANE#

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

🔐 DNSSEC#

148ms

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	2415689168
Primary NS (MNAME)	nicole.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 02:27:34

Field	Value
Registrar	PROCOPA IT ApS
Registered	2004-06-01
Expires	2027-06-30 (252d)

🔗 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#

92ms

58ms

96ms

AAAA

72ms

TXT

223ms

CAA

73ms

HTTPS

71ms

TLSA

603ms

SOA

0ms

MTA-STS

111ms

DNSSEC

148ms

SRV

111ms

Total

3609ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 12:39:44	2171ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-17 11:07:17	875ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-13 05:54:30	3732ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 18:48:22	1121ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 12:47:39 shown	3609ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-17 17:22:33	3997ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-15 10:08:19	5376ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-14 03:52:14	5559ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-27 16:32:49	2081ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 02:32:37	1163ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 13:38:02	3098ms	2 NS 2 A 1 MX	⚠️ Bogus