fosteit.dk DNS records

🖥️ Nameservers2 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
chance.ns.cloudflare.com	108.162.195.33 162.159.44.33 172.64.35.33 2606:4700:58::a29f:2c21 2803:f800:50::6ca2:c321 2a06:98c1:50::ac40:2321	chance.ns.cloudflare.com chance.ns.cloudflare.com chance.ns.cloudflare.com chance.ns.cloudflare.com chance.ns.cloudflare.com chance.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
naomi.ns.cloudflare.com	108.162.192.208 172.64.32.208 173.245.58.208 2606:4700:50::adf5:3ad0 2803:f800:50::6ca2:c0d0 2a06:98c1:50::ac40:20d0	naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.4.45	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.131.167	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fosteit-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::6 2a01:111:f403:ca09::b 2a01:111:f403:ca48::a 52.101.68.36 52.101.68.8 52.101.73.1 52.101.73.4	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)2 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:42d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:83a7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 62ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.4.45,172.67.131.167 ech=AEX+DQBBugAgACAXUf+23YDboba4db+V6/wsezT/zYza/z19G+HggcsuXAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:42d,2606:4700:3034::ac43:83a7

🔌 SRV Records1 records 82ms

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

📝 TXT Records3 records 218ms

TXT Record
apple-domain-verification=0YDje72VjZClkNlO
MS=ms85210911
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

🔐 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	2413197369
Primary NS (MNAME)	chance.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

45ms

MX

59ms

AAAA

55ms

TXT

218ms

CAA

59ms

HTTPS

62ms

TLSA

812ms

SOA

0ms

MTA-STS

69ms

DNSSEC

90ms

SRV

82ms

Total

1660ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 09:29:34	1660ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 05:48:41	1041ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-26 23:48:24	746ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-25 11:00:11	989ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-21 18:01:05	1471ms	2 NS 2 A 1 MX	❓ Unknown	View
2026-07-02 00:05:37	1175ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 09:28:45	844ms	2 NS 2 A 1 MX	🔓 Insecure	View