dk-byg.dk DNS records

🖥️ Nameservers4 records 65ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1196.awsdns-21.org	205.251.196.172 2600:9000:5304:ac00::1	ns-1196.awsdns-21.org ns-1196.awsdns-21.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1594.awsdns-07.co.uk	205.251.198.58 2600:9000:5306:3a00::1	ns-1594.awsdns-07.co.uk ns-1594.awsdns-07.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-239.awsdns-29.com	205.251.192.239 2600:9000:5300:ef00::1	ns-239.awsdns-29.com ns-239.awsdns-29.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-714.awsdns-25.net	205.251.194.202 2600:9000:5302:ca00::1	ns-714.awsdns-25.net ns-714.awsdns-25.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	dkbyg-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 2a01:111:f403:ca04::b 2a01:111:f403:ca04::d 52.101.68.21 52.101.68.29 52.101.68.39 52.101.73.24	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00607.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 → 40.104.205.120

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 231ms

TXT Record
_dmarc.dk-byg.dk value: v=DMARC1; p=reject; adkim=s; aspf=s
MS=ms44645351
v=spf1 include:spf.protection.outlook.com include:spf.mailanyone.net -all

✉️ SPF

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

🔐 DNSSEC89ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA64ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-1594.awsdns-07.co.uk
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

65ms

A

40ms

MX

59ms

AAAA

53ms

TXT

231ms

CAA

39ms

HTTPS

46ms

TLSA

367ms

SOA

64ms

MTA-STS

40ms

DNSSEC

89ms

SRV

82ms

Total

1267ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-21 08:15:17	1267ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-20 23:24:55	1054ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 16:46:10	6492ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-17 03:40:44	718ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-17 03:40:31	1010ms	4 NS 0 A 1 MX	🔓 Insecure	View