esg.dk

📜 Historical scan 2026-06-22 11:04:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

esg.dk is a .dk domain served by 2 nameservers (audrey.ns.cloudflare.com, clyde.ns.cloudflare.com). It was registered on 24 August 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.66.29 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by esg-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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
audrey.ns.cloudflare.com	108.162.194.66 162.159.38.66 172.64.34.66 2606:4700:50::a29f:2642 2803:f800:50::6ca2:c242 2a06:98c1:50::ac40:2242	audrey.ns.cloudflare.com audrey.ns.cloudflare.com audrey.ns.cloudflare.com audrey.ns.cloudflare.com audrey.ns.cloudflare.com audrey.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
clyde.ns.cloudflare.com	108.162.193.91 172.64.33.91 173.245.59.91 2606:4700:58::adf5:3b5b 2803:f800:50::6ca2:c15b 2a06:98c1:50::ac40:215b	clyde.ns.cloudflare.com clyde.ns.cloudflare.com clyde.ns.cloudflare.com clyde.ns.cloudflare.com clyde.ns.cloudflare.com clyde.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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.66.29	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.155.177	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 22ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	esg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::7 2a01:111:f403:ca04::d 2a01:111:f403:ca09::d 52.101.68.16 52.101.68.21 52.101.73.22 52.101.73.8	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 52.97.105.184
🔶 Autoconfig	104.21.66.29

🔷 AAAA Records (IPv6)#

2 records 103ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:9bb1	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:421d	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 36ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.66.29,172.67.155.177 ech=AEX+DQBBbgAgACAPM71XYFlPKU7aw5VoyyacZeaut5mWn2a1rkN4U/hdPwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:9bb1,2606:4700:3034::6815:421d

🔌 SRV Records#

1 records 83ms

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

📝 TXT Records#

1 records 200ms

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

✉️ SPF#

Policy	Record (esg.dk)
-all (hard fail)	v=spf1 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 2026-10-09 02:20:47

www	104.21.66.29 172.67.155.177 2606:4700:3030::6815:421d 2606:4700:3032::ac43:9bb1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network esg.dk: 104.21.66.29 172.67.155.177 2606:4700:3030::6815:421d 2606:4700:3032::ac43:9bb1 (AS13335) www.esg.dk: 104.21.66.29 172.67.155.177 2606:4700:3030::6815:421d 2606:4700:3032::ac43:9bb1 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

98ms

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

🏷️ SOA#

77ms

Field	Value
Serial	2406650991
Primary NS (MNAME)	audrey.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 05:56:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-08-24
Expires	2027-08-31 (316d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

38ms

22ms

AAAA

103ms

TXT

200ms

CAA

37ms

HTTPS

36ms

TLSA

243ms

SOA

77ms

MTA-STS

52ms

DNSSEC

98ms

SRV

83ms

Total

1164ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 21:21:14	1537ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 19:58:33	1760ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 21:19:41	1550ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-31 13:56:12	1947ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 07:24:41	1844ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-06 07:59:02	2369ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-18 09:08:08	1539ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 11:58:41	2015ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 11:04:55 shown	1164ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 08:21:23	1121ms	2 NS 2 A 1 MX	🔓 Insecure