ciff.dk

📜 Historical scan 2026-09-16 20:04:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ciff.dk is a .dk domain served by 4 nameservers (ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 76.76.21.21 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by ciff-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-01.azure-dns.com	13.107.236.1 2603:1061:0:700::1	ns1-01.azure-dns.com ns1-01.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-01.azure-dns.net	150.171.21.1 2620:1ec:8ec:700::1	ns2-01.azure-dns.net ns2-01.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-01.azure-dns.org	204.14.183.1 2a01:111:4000:700::1	ns3-01.azure-dns.org ns3-01.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-01.azure-dns.info	208.84.5.1 2620:1ec:bda:700::1	ns4-01.azure-dns.info ns4-01.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

1 records 2044ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
76.76.21.21	3598s	—	AS16509	Amazon.com, Inc.	76.76.21.0/24	🇺🇸 United States	Walnut

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	ciff-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::d 2a01:111:f403:ca21::8 2a01:111:f403:ca21::a 52.101.103.140 52.101.185.114 52.101.209.28 52.101.91.153	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-matpr04cu00101.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

6 records 182ms

TXT Record
0hvhrv100cf273n7mk4h58nh2rm8y7x3
4q030sc1q8h9l8ymkpxffd9b2zhq1z0t
google-site-verification=_DMkGgGf9qi-kl5GFKB-XKktMOlgwV_Iq1fHe7oDyEw
jFkSt5CZiK7XoR53ao00vbqrIIN1jHTcsGNUtWzzv5kZxF8cBApU+hRP1d629uwDdnu1IQNXxCtatqt39ElsdA==
MS=ms19722913
v=spf1 include:_spf66410.spf-protect.dk -all

✉️ SPF#

Policy	Record (ciff.dk)
-all (hard fail)	v=spf1 include:_spf66410.spf-protect.dk -all

📨 DMARC#

Policy	Record (_dmarc.ciff.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:659fbc9728e74@dmarc-dk.centerasecurity.com;

📬 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#

latest probe, not this scan · checked 2026-10-08 14:41:43

www CNAME	ciff.dk (all on ciff.dk) → 76.76.21.21 (AS16509)
www vs bare domain	Same network ciff.dk: 76.76.21.21 (AS16509) www.ciff.dk: 76.76.21.21 (AS16509)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

4 found

Selector	CNAME	Key
k1	dkim.mcsv.net	RSA · ~1024 bit below 2048 bit
s1	s1.domainkey.u21790276.wl027.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u21790276.wl027.sendgrid.net	RSA · ~2048 bit
selector1	selector1-ciff-dk._domainkey.bchospitalitygroup.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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

68ms

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

🏷️ SOA#

0ms

Field	Value
Serial	76
Primary NS (MNAME)	ns1-01.azure-dns.com
Responsible (RNAME)	dns@bellacenter.dk
Refresh	900s
Retry	600s
Expire	1209600s
Minimum (neg-cache TTL)	900s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

38ms

2044ms

33ms

AAAA

37ms

TXT

182ms

CAA

43ms

HTTPS

38ms

TLSA

775ms

SOA

0ms

MTA-STS

61ms

DNSSEC

68ms

SRV

66ms

Total

3186ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-28 07:07:00	879ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-16 20:04:51 shown	3186ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-26 19:27:06	1227ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-22 14:55:49	1341ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-22 13:39:29	1007ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 20:50:04	669ms	4 NS 1 A 1 MX	🔒 Secure