heff.dk

📜 Historical scan 2026-06-17 11:07:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

heff.dk is a .dk domain served by 2 nameservers (damiete.ns.cloudflare.com, tegan.ns.cloudflare.com). It was registered on 14 October 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.48.145 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by heff-dk.mail.protection.outlook.com, gw.heff.dk and 1 more. The zone is not DNSSEC-signed, publishes a 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 224ms

Nameserver	IP addresses	PTR	ASN / ISP
damiete.ns.cloudflare.com	108.162.195.32 162.159.44.32 172.64.35.32 2606:4700:58::a29f:2c20 2803:f800:50::6ca2:c320 2a06:98c1:50::ac40:2320	damiete.ns.cloudflare.com damiete.ns.cloudflare.com damiete.ns.cloudflare.com damiete.ns.cloudflare.com damiete.ns.cloudflare.com damiete.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tegan.ns.cloudflare.com	108.162.192.226 172.64.32.226 173.245.58.226 2606:4700:50::adf5:3ae2 2803:f800:50::6ca2:c0e2 2a06:98c1:50::ac40:20e2	tegan.ns.cloudflare.com tegan.ns.cloudflare.com tegan.ns.cloudflare.com tegan.ns.cloudflare.com tegan.ns.cloudflare.com tegan.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
104.21.48.145	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.223.212	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	heff-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::a 2a01:111:f403:ca09:: 2a01:111:f403:ca09::c 52.101.68.10 52.101.68.18 52.101.68.36 52.101.73.153	mail-db5pr02cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00302.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
15	—	gw.heff.dk	95.138.218.168	gw.heff.dk	AS39642 Sinal A/S
25	—	gw.mxbox.dk	93.166.126.58	93-166-126-58-static.dk.customer.tdc.net	AS3292 TDC Holding A/S

🔷 AAAA Records (IPv6)#

2 records 54ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:3091	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:dfd4	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.48.145,172.67.223.212 ech=AEX+DQBBbAAgACAxx2XvV4JFUCVdgEmdGoqDip2taUNXK2q8lgpoC9YLSQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:3091,2606:4700:3033::ac43:dfd4

📝 TXT Records#

5 records 161ms

TXT Record
adobe-idp-site-verification=a2e1f796803886425fbd7528434be1892fad336215fb4ab79d9cf67efd7fccaa
apple-domain-verification=1YgqfmR6Q2JU6NFt
MS=ms98466033
v=spf1 mx include:spf.protection.outlook.com -all
VY3E0D0OqDryaW0JgsecDnakD1bA7uMePEQnSzhjAWf7TNrKuZXbtxu+s88APM8b7gjUeegIpQAyPw7hE5rHuw==

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.heff.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc.rua@mxbox.dk ; ruf=mailto:dmarc.ruf@mxbox.dk;

📬 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 12:46:16

www	185.31.76.93 (AS47527) (address records, no CNAME)
www vs bare domain	Different networks heff.dk: 104.21.48.145 172.67.223.212 2606:4700:3034::ac43:dfd4 2606:4700:3037::6815:3091 (AS13335) www.heff.dk: 185.31.76.93 (AS47527) (all like this)
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-heff-dk._domainkey.dkheff.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-heff-dk._domainkey.dkheff.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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

75ms

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

🏷️ SOA#

51ms

Field	Value
Serial	2406630987
Primary NS (MNAME)	damiete.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 17:41:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-10-14
Expires	2029-10-31 (1109d)

🔗 Same registrant#

11 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
bio2energy.dk	Punktum dk A/S (direct)
fiskeweekend.dk	Punktum dk A/S (direct)
hgent.dk	Punktum dk A/S (direct)
it-geek.dk	Punktum dk A/S (direct)
khammer.dk	Punktum dk A/S (direct)
kjepsen.dk	Punktum dk A/S (direct)
lboks.dk	Punktum dk A/S (direct)
lbox.dk	Punktum dk A/S (direct)
lwh.dk	Punktum dk A/S (direct)
net-help.dk	Punktum dk A/S (direct)
whammer.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

224ms

38ms

42ms

AAAA

54ms

TXT

161ms

CAA

234ms

HTTPS

39ms

TLSA

1118ms

SOA

51ms

MTA-STS

49ms

DNSSEC

75ms

SRV

0ms

Total

2538ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:46:16	1428ms	2 NS 2 A 3 MX	🔒 Secure
2026-10-08 11:07:54	2072ms	2 NS 2 A 3 MX	🔒 Secure
2026-10-07 10:55:24	2707ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-27 05:51:11	1769ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-24 04:33:57	2268ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-13 16:51:06	2163ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-03 17:48:37	1868ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-27 17:02:50	1006ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-26 07:53:58	1313ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-21 05:32:54	7304ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-09 05:51:20	2920ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-28 23:33:09	10820ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-26 09:34:13	1589ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-21 12:11:19	3667ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-07 02:19:48	26747ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-27 19:44:05	3164ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-26 21:36:59	1193ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-17 11:07:02 shown	2538ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-17 10:58:32	1950ms	2 NS 2 A 3 MX	🔓 Insecure