heff.dk DNS records

🖥️ Nameservers2 records 63ms

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 Records2 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.48.145	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.223.212	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 65ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	heff-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca09::c 52.101.68.29 52.101.73.126 52.101.73.2 52.101.73.4	mail-db7pr03cu00601.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-as9pr07cu00302.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
15	300s	gw.heff.dk	95.138.218.168	gw.heff.dk	AS39642 Sinal A/S
25	300s	gw.mxbox.dk	93.166.126.58	93-166-126-58-static.dk.customer.tdc.net	AS3292 TDC Holding A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)2 records 53ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:dfd4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:3091	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 57ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.48.145,172.67.223.212 ech=AEX+DQBBvAAgACAjBvVHkFpqArpRl920aDwCdfppSK52abJazKltW9VlRAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:dfd4,2606:4700:3037::6815:3091

🔌 SRV Records1 records 100ms

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

📝 TXT Records5 records 225ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC89ms

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

🏷️ SOA0ms

Field	Value
Serial	2413320112
Primary NS (MNAME)	damiete.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

63ms

A

49ms

MX

65ms

AAAA

53ms

TXT

225ms

CAA

65ms

HTTPS

57ms

TLSA

219ms

SOA

0ms

MTA-STS

80ms

DNSSEC

89ms

SRV

100ms

Total

1006ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 17:02:50	1006ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-26 07:53:58	1313ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-21 05:32:54	7304ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-09 05:51:20	2920ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-28 23:33:09	10820ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-26 09:34:13	1589ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-21 12:11:19	3667ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-07 02:19:48	26747ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-27 19:44:05	3164ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-26 21:36:59	1193ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-17 11:07:02	2538ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-17 10:58:32	1950ms	2 NS 2 A 3 MX	🔓 Insecure	View