guldcap.dk DNS records

🖥️ Nameservers4 records 60ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.bdm.microsoftonline.com	13.107.236.208 2603:1061:0:700::d0	ns1-208.azure-dns.com ns1-208.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2.bdm.microsoftonline.com	150.171.21.208 2620:1ec:8ec:700::d0	ns2-208.azure-dns.net ns2-208.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3.bdm.microsoftonline.com	204.14.183.208 2a01:111:4000:700::d0	ns3-208.azure-dns.org ns3-208.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4.bdm.microsoftonline.com	208.84.5.208 2620:1ec:bda:700::d0	ns4-208.azure-dns.info ns4-208.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records1 records 73ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.146.132.29	300s	—	AS8075	Microsoft Corporation	104.146.128.0/17	🇺🇸 United States	—

📧 MX Records1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	guldcap-dk.mail.eo.outlook.com	2a01:111:f403:ca09:: 2a01:111:f403:ca09::1 2a01:111:f403:ca09::6 2a01:111:f403:ca09::9 52.101.68.29 52.101.73.12 52.101.73.22 52.101.73.24	mail-am3pr04cu00500.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-as8pr05cu00300.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 106ms

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

📝 TXT Records2 records 8295ms

TXT Record
mscid=DKoU4hcjHf7jlmZ1AZNuuOKaoqJUiRrUajBG3KGwZeqZ3z165LGYoGJSEwHwrvPK3RdZtqW/zWuvmcO5Lec3+g==
v=spf1 include:outlook.com ~all

✉️ SPF

Policy	Record (guldcap.dk)
~all (soft fail)	v=spf1 include: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)

🔐 DNSSEC155ms

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

🏷️ SOA64ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1.bdm.microsoftonline.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

60ms

A

73ms

MX

66ms

AAAA

69ms

TXT

8295ms

CAA

65ms

HTTPS

71ms

TLSA

1797ms

SOA

64ms

MTA-STS

67ms

DNSSEC

155ms

SRV

106ms

Total

27041ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-11 02:24:35	27041ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 15:58:10	4814ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 09:51:25	906ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 10:10:33	4462ms	4 NS 1 A 1 MX	🔓 Insecure	View