nybo.dk

Records from scan: 2026-10-01 08:03:19 · 1460ms total · last checked 2026-10-16 23:48 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nybo.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 16 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.95.249.51 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by nybo-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 49ms

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 Records#

1 records 52ms

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 Records#

1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	nybo-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca09::26 2a01:111:f403:ca09::a 2a01:111:f403:ca48::a 52.101.103.140 52.101.181.156 52.101.185.21 52.101.91.156	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-maspr04cu00104.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 Records#

1 records 83ms

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

📝 TXT Records#

4 records 189ms

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

🧩 Web & zone#

checked 2026-10-12 18:59:20

www	81.95.249.51 (AS48854) (address records, no CNAME)
www vs bare domain	Same network nybo.dk: 81.95.249.51 (AS48854) www.nybo.dk: 81.95.249.51 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-nybo-dk._domainkey.nybojensenkonfektionas.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

155ms

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

🏷️ SOA#

57ms

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#

WHOIS fetched 2026-10-05 22:07:53

Field	Value
Registrar	CURANET A/S
Registered	1998-02-16
Expires	2027-03-31 (165d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

52ms

67ms

AAAA

82ms

TXT

189ms

CAA

63ms

HTTPS

62ms

TLSA

344ms

SOA

57ms

MTA-STS

85ms

DNSSEC

155ms

SRV

83ms

Total

1460ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 08:03:19 shown	1460ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 02:22:55	710ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 05:12:08	901ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-20 21:09:24	1494ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 14:58:58	1105ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 11:37:19	1076ms	2 NS 1 A 1 MX	🔒 Secure