dun-and-bradstreet.dk DNS records

🖥️ Nameservers7 records 73ms

Nameserver	IP addresses	PTR	ASN / ISP
blue.foundationdns.com	108.162.198.1 162.159.60.1 172.64.40.1 2606:4700:57::6ca2:c601 2803:f800:52::a29f:3c01 2a06:98c1:56::ac40:2801	blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
blue.foundationdns.net	108.162.198.31 162.159.60.31 172.64.40.31 2606:4700:57::6ca2:c61f 2803:f800:52::a29f:3c1f 2a06:98c1:56::ac40:281f	blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
blue.foundationdns.org	108.162.198.61 162.159.60.61 172.64.40.61 2606:4700:57::6ca2:c63d 2803:f800:52::a29f:3c3d 2a06:98c1:56::ac40:283d	blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dns1.p01.nsone.net	198.51.44.1 2620:4d:4000:6259:7:1:0:1	dns1.p01.nsone.net dns1.p01.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc
dns2.p01.nsone.net	198.51.45.1 2a00:edc0:6259:7:1::2	dns2.p01.nsone.net dns2.p01.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc
dns3.p01.nsone.net	198.51.44.65 2620:4d:4000:6259:7:1:0:3	dns3.p01.nsone.net dns3.p01.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc
dns4.p01.nsone.net	198.51.45.65 2a00:edc0:6259:7:1::4	dns4.p01.nsone.net dns4.p01.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc

🌍 A Records2 records 79ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.18.22.48	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—
104.18.23.48	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records1 records 83ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	14400s	custmx.cscdns.net	198.58.121.58	198-58-121-58.ip.linodeusercontent.com	AS63949 Akamai Connected Cloud

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.18.23.48
🔶 Autoconfig	104.18.23.48

🔷 AAAA Records (IPv6)2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700::6812:1630	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇺🇸 United States	—
2606:4700::6812:1730	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇺🇸 United States	—

🔐 HTTPS Records1 records 85ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.18.22.48,104.18.23.48 ipv6hint=2606:4700::6812:1630,2606:4700::6812:1730

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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)

🔐 DNSSEC203ms

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

🏷️ SOA0ms

Field	Value
Serial	2413110397
Primary NS (MNAME)	blue.foundationdns.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-08-25 09:30:47

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	2021-04-08
Expires	2027-04-30 (237d)

📋 WHOIS

⏱️ Lookup Timing

NS

73ms

A

79ms

MX

83ms

AAAA

49ms

TXT

313ms

CAA

84ms

HTTPS

85ms

TLSA

131ms

SOA

0ms

MTA-STS

150ms

DNSSEC

203ms

SRV

110ms

Total

1119ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 10:06:21	1119ms	7 NS 2 A 1 MX	🔓 Insecure	View
2026-08-25 09:30:27	8823ms	7 NS 2 A 1 MX	🔓 Insecure	View
2026-08-23 05:59:45	1777ms	7 NS 2 A 1 MX	🔓 Insecure	View
2026-08-18 01:10:34	1721ms	7 NS 2 A 1 MX	🔓 Insecure	View
2026-08-16 07:49:56	19896ms	7 NS 2 A 1 MX	🔓 Insecure	View
2026-07-16 09:06:30	1321ms	7 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 08:17:19	2992ms	7 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 12:15:47	1110ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 21:46:46	4154ms	7 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 16:17:38	1095ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 05:30:56	15594ms	7 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 05:13:10	1554ms	7 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 05:10:05	482ms	7 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 05:00:29	714ms	7 NS 2 A 1 MX	🔓 Insecure	View