schaerfe.dk

📜 Historical scan 2026-06-18 03:58:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

schaerfe.dk is a .dk domain served by 2 nameservers (bob.ns.cloudflare.com, carol.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.15.152 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by schaerfe-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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#

2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
bob.ns.cloudflare.com	108.162.193.104 172.64.33.104 173.245.59.104 2606:4700:58::adf5:3b68 2803:f800:50::6ca2:c168 2a06:98c1:50::ac40:2168	bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
carol.ns.cloudflare.com	108.162.192.80 172.64.32.80 173.245.58.80 2606:4700:50::adf5:3a50 2803:f800:50::6ca2:c050 2a06:98c1:50::ac40:2050	carol.ns.cloudflare.com carol.ns.cloudflare.com carol.ns.cloudflare.com carol.ns.cloudflare.com carol.ns.cloudflare.com carol.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.15.152	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.206.87	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	schaerfe-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::f 2a01:111:f403:ca09::3 2a01:111:f403:ca09::d 52.101.68.10 52.101.73.28 52.101.73.30 52.101.73.8	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am0pr04cu00500.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	104.21.15.152
🔶 Autoconfig	104.21.15.152

🔷 AAAA Records (IPv6)#

2 records 29ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:f98	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:ce57	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 27ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.152,172.67.206.87 ech=AEX+DQBB5AAgACAp9izuzZ9Qy/F0fdNQl7lSpSP5fClpvP6OEJ8Riw31bwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:f98,2606:4700:3034::ac43:ce57

🔌 SRV Records#

1 records 89ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.unoeuro.com

📝 TXT Records#

1 records 457ms

TXT Record
v=spf1 ip4:94.231.109.54 ip4:78.46.139.214 include:spf.protection.outlook.com include:spf.nembedemand.dk -all

✉️ SPF#

Policy	Record (schaerfe.dk)
-all (hard fail)	v=spf1 ip4:94.231.109.54 ip4:78.46.139.214 include:spf.protection.outlook.com include:spf.nembedemand.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 19:27:42

www	104.21.15.152 172.67.206.87 2606:4700:3034::ac43:ce57 2606:4700:3036::6815:f98 (AS13335) (address records, no CNAME)
www vs bare domain	Same network schaerfe.dk: 104.21.15.152 172.67.206.87 2606:4700:3034::ac43:ce57 2606:4700:3036::6815:f98 (AS13335) www.schaerfe.dk: 104.21.15.152 172.67.206.87 2606:4700:3034::ac43:ce57 2606:4700:3036::6815:f98 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 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#

107ms

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

🏷️ SOA#

28ms

Field	Value
Serial	2404159199
Primary NS (MNAME)	bob.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

29ms

31ms

28ms

AAAA

29ms

TXT

457ms

CAA

29ms

HTTPS

27ms

TLSA

137ms

SOA

28ms

MTA-STS

28ms

DNSSEC

107ms

SRV

89ms

Total

1326ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 17:26:36	864ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 04:42:03	9756ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-18 22:46:11	1343ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-11 19:45:52	980ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-19 12:31:05	1439ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-11 20:09:24	11039ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-28 16:58:07	1183ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 21:19:32	1340ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 16:14:20	903ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 03:58:52 shown	1326ms	2 NS 2 A 1 MX	🔓 Insecure