esg.dk

📜 Historical scan 2026-08-06 07:59:02 · ← 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 45ms

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	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.155.177	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	esg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::8 2a01:111:f403:ca04::f 2a01:111:f403:ca09::5 52.101.68.36 52.101.73.153 52.101.73.28 52.101.73.6	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.8
🔶 Autoconfig	104.21.66.29

🔷 AAAA Records (IPv6)#

2 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:421d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:9bb1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.66.29,172.67.155.177 ech=AEX+DQBBJwAgACBrsztCx5OFxaOQZ7TxNP9XxqzXMXF8nUqI3PrBwJmlQgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:421d,2606:4700:3032::ac43:9bb1

🔌 SRV Records#

1 records 91ms

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

📝 TXT Records#

1 records 205ms

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#

91ms

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	2411142504
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 (318d)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

38ms

61ms

AAAA

41ms

TXT

205ms

CAA

39ms

HTTPS

43ms

TLSA

773ms

SOA

0ms

MTA-STS

77ms

DNSSEC

91ms

SRV

91ms

Total

2369ms

🕐 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 shown	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	1164ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 08:21:23	1121ms	2 NS 2 A 1 MX	🔓 Insecure