exertis.dk

📜 Historical scan 2026-08-27 20:40:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

exertis.dk is a .dk domain served by 2 nameservers (addilyn.ns.cloudflare.com, anton.ns.cloudflare.com). It was registered on 3 May 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.10.81 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by exertis-se.mx1.staysecuregroup.com, exertis-se.mx2.staysecuregroup.net. 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 29ms

Nameserver	IP addresses	PTR	ASN / ISP
addilyn.ns.cloudflare.com	108.162.194.217 162.159.38.217 172.64.34.217 2606:4700:50::a29f:26d9 2803:f800:50::6ca2:c2d9 2a06:98c1:50::ac40:22d9	addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
anton.ns.cloudflare.com	108.162.195.175 162.159.44.175 172.64.35.175 2606:4700:58::a29f:2caf 2803:f800:50::6ca2:c3af 2a06:98c1:50::ac40:23af	anton.ns.cloudflare.com anton.ns.cloudflare.com anton.ns.cloudflare.com anton.ns.cloudflare.com anton.ns.cloudflare.com anton.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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.10.81	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.144.239	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	exertis-se.mx1.staysecuregroup.com	192.162.219.155 2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd	mx41.electric.net mx11.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	300s	exertis-se.mx2.staysecuregroup.net	192.162.219.49 2a01:77c0:1619:4101:d99:c22:fb4d:290e	mx41.electric.net mx10.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

2 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:a51	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:90ef	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.10.81,172.67.144.239 ech=AEX+DQBBfwAgACA47+Qu+1wObnqFo6Z96p4veA7nvt21jpauabCzfKdMLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:a51,2606:4700:3033::ac43:90ef

🔌 SRV Records#

1 records 78ms

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

📝 TXT Records#

4 records 156ms

TXT Record
BEkBFXnwEppPporSJ3U+tehjyYB/DwyrvVfNN2hcDIoCLA1156/RM9+Eiei9RdAT+lPlX+AV5LCDD02aul5NnA==
DomainVerification=1X71A3AWEX97YU4Q30H1KEZF0FSGMH9LYN5IS40ENRLH9M259N6OLM28OGXYPFQ5
MS=ms85736030
v=spf1 +ip4:193.104.112.0/24 include:_spf.stejtech.net include:spf.lianamailer.com include:spf.protection.outlook.com include:all.spf.maileasy.se -all

✉️ SPF#

Policy	Record (exertis.dk)
-all (hard fail)	v=spf1 +ip4:193.104.112.0/24 include:_spf.stejtech.net include:spf.lianamailer.com include:spf.protection.outlook.com include:all.spf.maileasy.se -all

📨 DMARC#

Policy	Record (_dmarc.exertis.dk)
p=reject	v=DMARC1; p=reject; adkim=s; aspf=s; rf=afrf;pct=100

📬 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 2026-10-17 04:31:53

www	104.21.10.81 172.67.144.239 2606:4700:3031::6815:a51 2606:4700:3033::ac43:90ef (AS13335) (address records, no CNAME)
www vs bare domain	Same network exertis.dk: 104.21.10.81 172.67.144.239 2606:4700:3031::6815:a51 2606:4700:3033::ac43:90ef (AS13335) www.exertis.dk: 104.21.10.81 172.67.144.239 2606:4700:3031::6815:a51 2606:4700:3033::ac43:90ef (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

error include:all.spf.maileasy.se has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.exertis.dk	HWuorCMzndi4uqqAxmRbZW9UrT7WGsLxZV6S196sXXA
TXT	_acme-challenge.exertis.dk	oV9KH6olA-PkS34MZsaXghjIE_EehdIPLeM9j2n0PU4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

102ms

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	2413321521
Primary NS (MNAME)	addilyn.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 05:06:17

Field	Value
Registrar	ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA
Registered	2013-05-03
Expires	2027-05-31 (224d)

🔗 Same registrant#

3 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).

Domain	Registrar
captech.dk	ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA
exertis-captech.dk	ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA
nextcph.dk	ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA

📋 WHOIS#

⏱️ Lookup Timing#

29ms

34ms

33ms

AAAA

31ms

TXT

156ms

CAA

31ms

HTTPS

38ms

TLSA

378ms

SOA

0ms

MTA-STS

50ms

DNSSEC

102ms

SRV

78ms

Total

1262ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 04:31:53	3004ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-29 16:12:43	981ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-30 01:46:33	1692ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-27 20:40:02 shown	1262ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-18 17:14:45	3283ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-20 22:08:14	1588ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 09:09:10	1440ms	2 NS 2 A 2 MX	🔓 Insecure