acureph.dk

📜 Historical scan 2026-09-02 04:07:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

acureph.dk is a .dk domain served by 2 nameservers (grace.ns.cloudflare.com, grant.ns.cloudflare.com). It was registered on 1 May 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.57.45 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by acureph-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 47ms

Nameserver	IP addresses	PTR	ASN / ISP
grace.ns.cloudflare.com	108.162.192.159 172.64.32.159 173.245.58.159 2606:4700:50::adf5:3a9f 2803:f800:50::6ca2:c09f 2a06:98c1:50::ac40:209f	grace.ns.cloudflare.com grace.ns.cloudflare.com grace.ns.cloudflare.com grace.ns.cloudflare.com grace.ns.cloudflare.com grace.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
grant.ns.cloudflare.com	108.162.195.130 162.159.44.130 172.64.35.130 2606:4700:58::a29f:2c82 2803:f800:50::6ca2:c382 2a06:98c1:50::ac40:2382	grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com grant.ns.cloudflare.com grant.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 2057ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.57.45	298s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.189.34	298s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	acureph-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::24 2a01:111:f403:ca09::e 52.101.68.25 52.101.68.3 52.101.68.8 52.101.73.145	mail-du2pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am6pr02cu00301.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

2 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:bd22	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:392d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 51ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.57.45,172.67.189.34 ech=AEX+DQBBnAAgACDqNLgRzLJVhmjEa88XSPcJSGTXwp7LrXshHbKONqTjYAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:bd22,2606:4700:3036::6815:392d

🔌 SRV Records#

1 records 86ms

Service	Priority	Weight	Port	Target
_sip._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 218ms

TXT Record
MS=ms92929388
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com ip4:80.199.116.186 -all

✉️ SPF#

Policy	Record (acureph.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.com ip4:80.199.116.186 -all

📨 DMARC#

Policy	Record (_dmarc.acureph.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-14 09:57:10

www	104.21.57.45 172.67.189.34 2606:4700:3032::ac43:bd22 2606:4700:3036::6815:392d (AS13335) (address records, no CNAME)
www vs bare domain	Same network acureph.dk: 104.21.57.45 172.67.189.34 2606:4700:3032::ac43:bd22 2606:4700:3036::6815:392d (AS13335) www.acureph.dk: 104.21.57.45 172.67.189.34 2606:4700:3032::ac43:bd22 2606:4700:3036::6815:392d (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-acureph-dk._domainkey.acureph.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: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.acureph.dk	-GLpNkn7ImGjsSaFThtl22X7WqBda2pc2e-zJVFfjF4
TXT	_acme-challenge.acureph.dk	Z3TmdbqqnI4uZL6Iz_jNXrY0E22AlyVQROQY_FEKiPA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

92ms

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	2413755957
Primary NS (MNAME)	grace.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 10:27:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-05-01
Expires	2027-05-31 (225d)

🔗 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#

47ms

2057ms

61ms

AAAA

40ms

TXT

218ms

CAA

52ms

HTTPS

51ms

TLSA

187ms

SOA

0ms

MTA-STS

81ms

DNSSEC

92ms

SRV

86ms

Total

2710ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 09:57:10	2080ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 15:32:26	1164ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-19 05:27:54	907ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-02 15:08:15	3788ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-02 04:07:30 shown	2710ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 18:23:17	2265ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-16 02:57:08	5107ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 09:57:17	1414ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 12:52:32	1644ms	2 NS 2 A 1 MX	🔓 Insecure