nybo.dk DNS records

🖥️ Nameservers2 records 29ms

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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.95.249.51	600s	dw10-d010.dw-mgmt.lan	AS48854	team.blue Denmark A/S	81.95.240.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	nybo-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::2 2a01:111:f403:ca04::d 2a01:111:f403:ca04::e 52.101.68.16 52.101.68.21 52.101.73.2 52.101.73.26	mail-dbapr03cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 52.98.149.152

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 113ms

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

📝 TXT Records4 records 170ms

TXT Record
EbQyWIGBEmm4tPEUk7zEhPJUGW4GPy3J7JfMpJbY8ZC0ezXSXClqvmICo18XJVdKog3U/I0PFX5cwHjJojNvCQ==
ms-domain-verification=8219422e-d288-4796-b95a-4ebd7de8db9b
MS=ms94364118
v=spf1 mx a ptr ip4:178.72.20.26 ip4:89.249.0.178 ip4:89.249.14.75 ip4:93.90.115.1 ip4:93.90.117.1 a:efom02.emnet.dk include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (nybo.dk)
-all (hard fail)	v=spf1 mx a ptr ip4:178.72.20.26 ip4:89.249.0.178 ip4:89.249.14.75 ip4:93.90.115.1 ip4:93.90.117.1 a:efom02.emnet.dk include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.nybo.dk)
p=reject	v=DMARC1;p=reject;sp=reject;pct=100;adkim=s;aspf=s;rua=mailto:dmarc_agg@vali.email;fo=1

📬 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)

🔐 DNSSEC77ms

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

🏷️ SOA41ms

Field	Value
Serial	2026040702
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

29ms

A

43ms

MX

33ms

AAAA

43ms

TXT

170ms

CAA

42ms

HTTPS

42ms

TLSA

127ms

SOA

41ms

MTA-STS

44ms

DNSSEC

77ms

SRV

113ms

Total

710ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-25 02:22:55	710ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 05:12:08	901ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-20 21:09:24	1494ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 14:58:58	1105ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 11:37:19	1076ms	2 NS 1 A 1 MX	🔒 Secure	View