247-ost.dk DNS records

🖥️ Nameservers2 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
alfred.ns.cloudflare.com	108.162.195.131 162.159.44.131 172.64.35.131 2606:4700:58::a29f:2c83 2803:f800:50::6ca2:c383 2a06:98c1:50::ac40:2383	alfred.ns.cloudflare.com alfred.ns.cloudflare.com alfred.ns.cloudflare.com alfred.ns.cloudflare.com alfred.ns.cloudflare.com alfred.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
isla.ns.cloudflare.com	108.162.192.119 172.64.32.119 173.245.58.119 2606:4700:50::adf5:3a77 2803:f800:50::6ca2:c077 2a06:98c1:50::ac40:2077	isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.30	300s	vm1330.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	247ost-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::5 2a01:111:f403:ca04::7 2a01:111:f403:ca04::b 52.101.68.0 52.101.68.8 52.101.73.16 52.101.73.8	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 79ms

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

📝 TXT Records2 records 218ms

TXT Record
MS=ms39401119
v=spf1 include:spf.protection.outlook.com ip4:193.8.36.0/22 include:web.shared.mysmtp.com -all

✉️ SPF

Policy	Record (247-ost.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:193.8.36.0/22 include:web.shared.mysmtp.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

🔗 TLSA / DANE

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

🔐 DNSSEC105ms

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	2410801943
Primary NS (MNAME)	alfred.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

57ms

A

61ms

MX

41ms

AAAA

42ms

TXT

218ms

CAA

44ms

HTTPS

44ms

TLSA

620ms

SOA

0ms

MTA-STS

223ms

DNSSEC

105ms

SRV

79ms

Total

2102ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-06 12:31:06	2102ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-29 07:02:17	2666ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-27 08:36:36	784ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-26 08:01:25	730ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-25 07:36:03	8746ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-24 06:31:13	8689ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-17 21:20:14	1240ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-10 21:28:04	3531ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-09 15:22:34	1270ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-08 13:31:40	787ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-04 21:45:50	2701ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-03 15:42:39	362ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-06-30 20:13:39	1274ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 09:37:36	2887ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 01:06:55	2285ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 02:49:44	956ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 12:41:38	2710ms	2 NS 1 A 1 MX	🔓 Insecure	View