ns-byg.dk DNS records

🖥️ Nameservers2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.206	60s	linux201.scannet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	60s	nsbyg-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::d 2a01:111:f403:ca04::f 2a01:111:f403:ca09::5 52.101.103.143 52.101.68.10 52.101.73.126 52.101.73.145	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00301.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 → 40.104.116.40
🔶 Autoconfig	185.21.41.178

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 143ms

TXT Record
MS=ms69350707
v=spf1 a ip4:188.165.170.41 mx a ip4:93.90.117.1/24 ip4:93.90.115.1/24 ip4:217.182.33.13 ip4:145.239.139.92 ip4:95.154.31.174 include:spf.protection.outlook.com include:spf.zitcom.dk ~all

✉️ SPF

Policy	Record (ns-byg.dk)
~all (soft fail)	v=spf1 a ip4:188.165.170.41 mx a ip4:93.90.117.1/24 ip4:93.90.115.1/24 ip4:217.182.33.13 ip4:145.239.139.92 ip4:95.154.31.174 include:spf.protection.outlook.com include:spf.zitcom.dk ~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)

🔐 DNSSEC86ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026021102
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

31ms

A

31ms

MX

34ms

AAAA

40ms

TXT

143ms

CAA

34ms

HTTPS

33ms

TLSA

370ms

SOA

0ms

MTA-STS

63ms

DNSSEC

86ms

SRV

63ms

Total

905ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 09:55:47	905ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 00:57:41	1114ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 19:15:04	907ms	2 NS 1 A 1 MX	🔒 Secure	View