rack24x7.dk DNS records

🖥️ Nameservers2 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
henry.ns.cloudflare.com	108.162.193.176 172.64.33.176 173.245.59.176 2606:4700:58::adf5:3bb0 2803:f800:50::6ca2:c1b0 2a06:98c1:50::ac40:21b0	henry.ns.cloudflare.com henry.ns.cloudflare.com henry.ns.cloudflare.com henry.ns.cloudflare.com henry.ns.cloudflare.com henry.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
robin.ns.cloudflare.com	108.162.192.218 172.64.32.218 173.245.58.218 2606:4700:50::adf5:3ada 2803:f800:50::6ca2:c0da 2a06:98c1:50::ac40:20da	robin.ns.cloudflare.com robin.ns.cloudflare.com robin.ns.cloudflare.com robin.ns.cloudflare.com robin.ns.cloudflare.com robin.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
104.21.29.150	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.149.104	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	rack24x7-dk.mail.protection.outlook.com	2a01:111:f403:ca09::1 2a01:111:f403:ca09::2 2a01:111:f403:ca09::d 2a01:111:f403:ca48::8 52.101.103.137 52.101.103.140 52.101.68.5 52.101.73.22	mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00106.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

🔷 AAAA Records (IPv6)2 records 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:1d96	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:9568	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 71ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.29.150,172.67.149.104 ech=AEX+DQBB7gAgACDjb97KP6YVmnJEmItPXJ+TBePeT87Vjd9IS+KnQbe6dAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:1d96,2606:4700:3035::ac43:9568

🔌 SRV Records1 records 96ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	100	5061	sipfed.online.lync.com

📝 TXT Records2 records 218ms

TXT Record
MS=ms46390309
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (rack24x7.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.rack24x7.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:re+k1dadydjdfy@dmarc.postmarkapp.com; sp=none; aspf=r;

📬 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)

🔐 DNSSEC90ms

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

🏷️ SOA0ms

Field	Value
Serial	2411326168
Primary NS (MNAME)	henry.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

53ms

A

39ms

MX

44ms

AAAA

52ms

TXT

218ms

CAA

64ms

HTTPS

71ms

TLSA

667ms

SOA

0ms

MTA-STS

62ms

DNSSEC

90ms

SRV

96ms

Total

1409ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 15:39:42	1409ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-06 00:19:39	2722ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-11 07:32:30	9602ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 17:08:05	1530ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 14:39:09	1004ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 21:09:26	1552ms	2 NS 2 A 1 MX	🔓 Insecure	View