mertz.dk

📜 Historical scan 2026-08-28 03:20:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mertz.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.4.84.82 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mertz-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#

2 records 37ms

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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.4.84.82	60s	server2.provi.dk	AS24940	Hetzner Online GmbH	46.4.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mertz-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::d 2a01:111:f403:ca09::2 2a01:111:f403:ca09::3 52.101.68.39 52.101.73.12 52.101.73.30 52.101.73.6	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am6pr04cu00306.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 66ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

6 records 153ms

TXT Record
_ai9zqaf3bwiqx8qen9acgw1mif4nil3
45qf9008fbz5zhw4bk5j16m4cvq3gnp1
google-site-verification=K_zsZ2z41CeXP1NFhuaTZLAZWAaPQMy7610eFxbQYIc
mandrill_verify.OuQwPimZtKI6XbghR4YluQ
Sendinblue-code:540a0ddc187247875ac49f5e45dd7fc7
v=spf1 include:_spf.powerhosting.dk include:spf.protection.outlook.com include:spf.sendinblue.com include:spf.mandrillapp.com -all

✉️ SPF#

Policy	Record (mertz.dk)
-all (hard fail)	v=spf1 include:_spf.powerhosting.dk include:spf.protection.outlook.com include:spf.sendinblue.com include:spf.mandrillapp.com -all

📨 DMARC#

Policy	Record (_dmarc.mertz.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:kw4mtjma@ag.eu.dmarcian.com; ruf=mailto:kw4mtjma@fr.eu.dmarcian.com; 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#

latest probe, not this scan · checked 2026-09-30 19:13:00

www	Address record (no CNAME)
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#

6 found

Selector	CNAME	Key
dkim	ph._domainkey.powerhosting.dk	RSA · ~1024 bit below 2048 bit
mail	—	RSA · ~1024 bit below 2048 bit
s1	s1.domainkey.u29110549.wl050.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u29110549.wl050.sendgrid.net	RSA · ~2048 bit
selector1	selector1-mertz-dk._domainkey.mertzdk.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-mertz-dk._domainkey.mertzdk.onmicrosoft.com	RSA · ~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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

87ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026060301
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

37ms

48ms

27ms

AAAA

39ms

TXT

153ms

CAA

41ms

HTTPS

49ms

TLSA

376ms

SOA

0ms

MTA-STS

58ms

DNSSEC

87ms

SRV

66ms

Total

1009ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 19:13:00	1113ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 07:25:17	1019ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 16:48:39	752ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 10:09:27	2272ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-01 10:50:42	1050ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 03:20:53 shown	1009ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 18:37:49	3421ms	2 NS 1 A 1 MX	🔒 Secure