cellnextelecom.dk DNS records

🖥️ Nameservers4 records 164ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.ascio.com	212.123.32.97 2604:4000:8000:d:212:123:32:97	ns1.ascio.com ns1.ascio.com	AS12915 EPAG Domainservices GmbH AS12915 EPAG Domainservices GmbH
ns2.ascio.com	212.123.35.97 2604:4000:8000:d:212:123:35:97	ns2.ascio.com ns2.ascio.com	AS12915 EPAG Domainservices GmbH AS12915 EPAG Domainservices GmbH
ns3.ascio.com	2604:4000:2800:2000:64:98:148:145 64.98.148.145	dns2.epag.net ns3.ascio.com	AS32491 Tucows.com Co. AS32491 Tucows.com Co.
ns4.ascio.com	216.40.47.209 2604:4000:0:d:216:40:47:209	ns4.ascio.com ns4.ascio.com	AS15348 Tucows.com Co. AS15348 Tucows.com Co.

🌍 A Records1 records 162ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.123.41.105	60s	—	AS12915	EPAG Domainservices GmbH	212.123.40.0/22	🇩🇪 Germany	—

📧 MX Records1 records 170ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cellnextelecom-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::6 2a01:111:f403:ca04::f 2a01:111:f403:ca09::d 52.101.68.18 52.101.68.27 52.101.68.39 52.101.73.11	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am1pr04cu00103.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 418ms

TXT Record
google-site-verification=4Q3OcgIkTaZgSzuoFiePVxSMOiexpFwR_Zrxj-SNcM4
MS=ms96843192
v=spf1 ip4:176.52.219.132 ip4:163.116.173.125 mx include:spf.protection.outlook.com include:_spf-dc2.successfactors.com -all

✉️ SPF

Policy	Record (cellnextelecom.dk)
-all (hard fail)	v=spf1 ip4:176.52.219.132 ip4:163.116.173.125 mx include:spf.protection.outlook.com include:_spf-dc2.successfactors.com -all

📨 DMARC

Policy	Record (_dmarc.cellnextelecom.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarcreport@cellnextelecom.com

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records2 records 162ms

Flags	Tag	Value
0	iodef	mailto:caa@cellnextelecom.com
0	issue	;

🔗 TLSA / DANE

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

🔐 DNSSEC239ms

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

🏷️ SOA0ms

Field	Value
Serial	1783511744
Primary NS (MNAME)	ns1.ascio.com
Responsible (RNAME)	domains@cellnextelecom.com
Refresh	3600s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

164ms

A

162ms

MX

170ms

AAAA

158ms

TXT

418ms

CAA

162ms

HTTPS

163ms

TLSA

243ms

SOA

0ms

MTA-STS

117ms

DNSSEC

239ms

SRV

1787ms

Total

4286ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-09 04:21:50	4286ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 22:07:19	1737ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 02:04:57	3096ms	4 NS 1 A 1 MX	❓ Unknown	View
2026-06-16 20:22:04	2233ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 20:12:22	815ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 20:11:41	8050ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 20:01:12	1111ms	4 NS 1 A 1 MX	🔓 Insecure	View