mesterallermann.dk

Records from scan: 2026-10-02 16:21:42 · 4133ms total · last checked 2026-10-16 20:13 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mesterallermann.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 22 January 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.247 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mesterallermann-dk.mail.protection.outlook.com, mx1.onlinemail.io and 1 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 91ms

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 91ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.247	3600s	linux6.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

3 records 75ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mesterallermann-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca09::22 2a01:111:f403:ca09::28 2a01:111:f403:ca3c::8 52.101.181.153 52.101.185.24 52.101.68.12 52.101.91.159	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-matpr04cu00207.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
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 548ms

TXT Record
v=spf1 include:spf.onlinemail.io include:spf.curanet.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (mesterallermann.dk)
-all (hard fail)	v=spf1 include:spf.onlinemail.io include:spf.curanet.dk include:spf.protection.outlook.com -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#

checked 2026-10-08 23:06:26

www CNAME	connect.serpwise.ai (all on serpwise.ai) → 104.21.10.218 172.67.146.203 2606:4700:3030::6815:ada 2606:4700:3037::ac43:92cb (AS13335)
www vs bare domain	Different networks mesterallermann.dk: 185.21.40.247 (AS48854) www.mesterallermann.dk: 104.21.10.218 172.67.146.203 2606:4700:3030::6815:ada 2606:4700:3037::ac43:92cb (AS13335) (all like this)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

430ms

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

🏷️ SOA#

106ms

Field	Value
Serial	2026091601
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-17 00:48:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-01-22
Expires	2027-01-31 (106d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

91ms

75ms

AAAA

99ms

TXT

548ms

CAA

99ms

HTTPS

108ms

TLSA

1317ms

SOA

106ms

MTA-STS

149ms

DNSSEC

430ms

SRV

404ms

Total

4133ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 16:21:42 shown	4133ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-30 15:56:48	1043ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-23 05:15:24	1287ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-21 00:29:26	1319ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-18 10:28:48	1470ms	2 NS 1 A 3 MX	🔒 Secure