esg.dk

📜 Historical scan 2026-06-26 11:58:41 · ← 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 180ms

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	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 200ms

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 221ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	esg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::8 2a01:111:f403:ca09::9 2a01:111:f403:ca09::e 52.101.68.3 52.101.68.8 52.101.73.153 52.101.73.4	mail-db4pr02cu00406.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.24
🔶 Autoconfig	172.67.155.177

🔷 AAAA Records (IPv6)#

2 records 232ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:9bb1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:421d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 219ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.66.29,172.67.155.177 ech=AEX+DQBBiQAgACC3BPJXIqV1zmOt5kr4XVRQchnHDi6IskbFXftEL6eWZAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:9bb1,2606:4700:3034::6815:421d

🔌 SRV Records#

1 records 269ms

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

📝 TXT Records#

1 records 457ms

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#

366ms

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

🏷️ SOA#

175ms

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 (318d)

📋 WHOIS#

⏱️ Lookup Timing#

180ms

200ms

221ms

AAAA

232ms

TXT

457ms

CAA

222ms

HTTPS

219ms

TLSA

386ms

SOA

175ms

MTA-STS

209ms

DNSSEC

366ms

SRV

269ms

Total

2015ms

🕐 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 shown	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