schaerfe.dk

📜 Historical scan 2026-07-19 12:31:05 · ← 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 80ms

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 91ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.15.152	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.206.87	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 81ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	schaerfe-dk.mail.protection.outlook.com	2a01:111:f403:ca09:: 2a01:111:f403:ca09::1 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.68.21 52.101.73.1 52.101.73.153 52.101.73.24	mail-am3pr04cu00500.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as8pr05cu00300.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 78ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:ce57	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:f98	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 65ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.152,172.67.206.87 ech=AEX+DQBBWQAgACCvhelAmG/GwPOVGai5CYeaUAToAtsNlzbrL3SZ0L1pPgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:ce57,2606:4700:3036::6815:f98

🔌 SRV Records#

1 records 109ms

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

📝 TXT Records#

1 records 202ms

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#

204ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2409892350
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#

80ms

91ms

81ms

AAAA

78ms

TXT

202ms

CAA

54ms

HTTPS

65ms

TLSA

206ms

SOA

0ms

MTA-STS

89ms

DNSSEC

204ms

SRV

109ms

Total

1439ms

🕐 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 shown	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	1326ms	2 NS 2 A 1 MX	🔓 Insecure