seculab.dk DNS records

🖥️ Nameservers2 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
adam.ns.cloudflare.com	108.162.193.54 172.64.33.54 173.245.59.54 2606:4700:58::adf5:3b36 2803:f800:50::6ca2:c136 2a06:98c1:50::ac40:2136	adam.ns.cloudflare.com adam.ns.cloudflare.com adam.ns.cloudflare.com adam.ns.cloudflare.com adam.ns.cloudflare.com adam.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lily.ns.cloudflare.com	108.162.192.130 172.64.32.130 173.245.58.130 2606:4700:50::adf5:3a82 2803:f800:50::6ca2:c082 2a06:98c1:50::ac40:2082	lily.ns.cloudflare.com lily.ns.cloudflare.com lily.ns.cloudflare.com lily.ns.cloudflare.com lily.ns.cloudflare.com lily.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.92.205	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.197.181	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	seculab-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09:: 2a01:111:f403:ca09::6 2a01:111:f403:ca09::8 52.101.68.25 52.101.73.15 52.101.73.153 52.101.73.30	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.56
🔶 Autoconfig	81.19.232.127

🔷 AAAA Records (IPv6)2 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:c5b5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:5ccd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.92.205,172.67.197.181 ech=AEX+DQBBMgAgACAK/5fTb2SGmh/d1ROuV4VvD+I4hyBiYZFs3xtD623NJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:c5b5,2606:4700:3036::6815:5ccd

🔌 SRV Records1 records 87ms

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

📝 TXT Records1 records 203ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.seculab.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarcrua@seculab.dk; ruf=mailto:dmarcruf@seculab.dk; fo=1; adkim=s; aspf=s;

📬 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)

🔐 DNSSEC72ms

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

🏷️ SOA0ms

Field	Value
Serial	2413283547
Primary NS (MNAME)	adam.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

50ms

A

39ms

MX

40ms

AAAA

41ms

TXT

203ms

CAA

56ms

HTTPS

42ms

TLSA

656ms

SOA

0ms

MTA-STS

75ms

DNSSEC

72ms

SRV

87ms

Total

1370ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 06:43:59	1370ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-07 13:35:27	2077ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-11 08:37:00	3241ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-30 23:32:28	1141ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-30 15:45:58	1413ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-27 13:31:35	2378ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-27 06:46:58	2082ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-25 10:19:10	2643ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-17 12:14:30	1593ms	2 NS 2 A 1 MX	🔒 Secure	View