nielstm.dk

📜 Historical scan 2026-06-25 13:10:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nielstm.dk is a .dk domain served by 2 nameservers (gabriella.ns.cloudflare.com, mitch.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.82.167 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by nielstm-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 256ms

Nameserver	IP addresses	PTR	ASN / ISP
gabriella.ns.cloudflare.com	108.162.194.134 162.159.38.134 172.64.34.134 2606:4700:50::a29f:2686 2803:f800:50::6ca2:c286 2a06:98c1:50::ac40:2286	gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mitch.ns.cloudflare.com	108.162.193.208 172.64.33.208 173.245.59.208 2606:4700:58::adf5:3bd0 2803:f800:50::6ca2:c1d0 2a06:98c1:50::ac40:21d0	mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.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 277ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.82.167	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.159.211	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 254ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	nielstm-dk.mail.protection.outlook.com	2a01:111:f403:ca09:: 2a01:111:f403:ca09::4 2a01:111:f403:ca09::6 2a01:111:f403:ca09::d 52.101.68.16 52.101.68.3 52.101.68.36 52.101.73.153	mail-am3pr04cu00500.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.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	104.21.82.167

🔷 AAAA Records (IPv6)#

2 records 271ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:52a7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:9fd3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 263ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.82.167,172.67.159.211 ech=AEX+DQBBvAAgACBDGjd7KAA//oYh2o3NrutZX4VpGmOe42gVNB175MZ0bAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:52a7,2606:4700:3036::ac43:9fd3

🔌 SRV Records#

1 records 520ms

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

📝 TXT Records#

1 records 979ms

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

✉️ SPF#

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

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-08 11:40:40

www	104.21.82.167 172.67.159.211 2606:4700:3033::6815:52a7 2606:4700:3036::ac43:9fd3 (AS13335) (address records, no CNAME)
www vs bare domain	Same network nielstm.dk: 104.21.82.167 172.67.159.211 2606:4700:3033::6815:52a7 2606:4700:3036::ac43:9fd3 (AS13335) www.nielstm.dk: 104.21.82.167 172.67.159.211 2606:4700:3033::6815:52a7 2606:4700:3036::ac43:9fd3 (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u34239818.wl069.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u34239818.wl069.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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

591ms

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

🏷️ SOA#

253ms

Field	Value
Serial	2406125760
Primary NS (MNAME)	gabriella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

256ms

277ms

254ms

AAAA

271ms

TXT

979ms

CAA

282ms

HTTPS

263ms

TLSA

367ms

SOA

253ms

MTA-STS

502ms

DNSSEC

591ms

SRV

520ms

Total

2851ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 07:25:59	972ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-01 22:38:26	1129ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 21:10:20	1545ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 20:32:03	9813ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-18 12:42:13	1118ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 09:15:55	1356ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 14:06:52	788ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-22 22:14:47	2229ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-19 21:24:54	3001ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-09 07:29:15	2429ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 13:10:14 shown	2851ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 19:41:47	1259ms	2 NS 2 A 1 MX	🔓 Insecure