greenvent.dk

📜 Historical scan 2026-09-14 15:54:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

greenvent.dk is a .dk domain served by 2 nameservers (graham.ns.cloudflare.com, jacqueline.ns.cloudflare.com). It was registered on 8 October 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.23.151 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by greenvent-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 104ms

Nameserver	IP addresses	PTR	ASN / ISP
graham.ns.cloudflare.com	108.162.193.171 172.64.33.171 173.245.59.171 2606:4700:58::adf5:3bab 2803:f800:50::6ca2:c1ab 2a06:98c1:50::ac40:21ab	graham.ns.cloudflare.com graham.ns.cloudflare.com graham.ns.cloudflare.com graham.ns.cloudflare.com graham.ns.cloudflare.com graham.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jacqueline.ns.cloudflare.com	108.162.194.132 162.159.38.132 172.64.34.132 2606:4700:50::a29f:2684 2803:f800:50::6ca2:c284 2a06:98c1:50::ac40:2284	jacqueline.ns.cloudflare.com jacqueline.ns.cloudflare.com jacqueline.ns.cloudflare.com jacqueline.ns.cloudflare.com jacqueline.ns.cloudflare.com jacqueline.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 126ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.23.151	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.211.174	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 152ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	greenvent-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::f 2a01:111:f403:ca21::8 2a01:111:f403:ca3c::6 52.101.185.114 52.101.209.28 52.101.68.10 52.101.91.159	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-matpr04cu00207.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 → 40.99.150.24

🔷 AAAA Records (IPv6)#

2 records 140ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:d3ae	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:1797	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 122ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.23.151,172.67.211.174 ech=AEX+DQBBHAAgACDFDTPAqWaGxvHbYxDUB+79Z67TXf4WgUB4rZnl9g6UXwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d3ae,2606:4700:3037::6815:1797

🔌 SRV Records#

1 records 687ms

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

📝 TXT Records#

1 records 497ms

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

✉️ SPF#

Policy	Record (greenvent.dk)
~all (soft 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 2026-10-10 07:08:20

www	104.21.23.151 172.67.211.174 2606:4700:3033::ac43:d3ae 2606:4700:3037::6815:1797 (AS13335) (address records, no CNAME)
www vs bare domain	Same network greenvent.dk: 104.21.23.151 172.67.211.174 2606:4700:3033::ac43:d3ae 2606:4700:3037::6815:1797 (AS13335) www.greenvent.dk: 104.21.23.151 172.67.211.174 2606:4700:3033::ac43:d3ae 2606:4700:3037::6815:1797 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-greenvent-dk._domainkey.balbyg.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-greenvent-dk._domainkey.balbyg.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: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.greenvent.dk	FeQOcfeGpL8OoHy0vXDLyB0J7VmtEcRW24zjXd1qz6I
TXT	_acme-challenge.greenvent.dk	cCczFyyQdcSSkQsm5I2kvh86csw3n3ZjPHhSNQgKao8

🔗 TLSA / DANE#

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

🔐 DNSSEC#

172ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2414699954
Primary NS (MNAME)	graham.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 01:41:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-10-08
Expires	2026-12-31 (75d)

🔗 Same registrant#

4 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).

Domain	Registrar
agnetehaven.dk	Punktum dk A/S (direct)
bal-byg.dk	Punktum dk A/S (direct)
dgmail.dk	Punktum dk A/S (direct)
happyfuture.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

104ms

126ms

152ms

AAAA

140ms

TXT

497ms

CAA

122ms

HTTPS

122ms

TLSA

420ms

SOA

0ms

MTA-STS

146ms

DNSSEC

172ms

SRV

687ms

Total

3613ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 07:08:20	1388ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-03 20:22:33	2706ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-23 18:11:14	2091ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-16 01:59:43	2682ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-14 15:54:53 shown	3613ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-28 11:11:46	971ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-23 07:46:20	2562ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-07 06:36:31	2238ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-29 19:46:10	1689ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-16 17:11:10	1480ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-06 22:50:14	3151ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-02 00:54:40	1355ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-02 00:50:20	3684ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 09:25:52	942ms	2 NS 2 A 1 MX	🔒 Secure