celltech.dk

📜 Historical scan 2026-07-27 15:41:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

celltech.dk is a .dk domain served by 2 nameservers (ns1.dnshost.net, ns2.dnshost.net). It was registered on 14 December 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.204.119.129 is hosted by Google LLC (AS396982) in The Netherlands. Mail is handled by celltech-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnshost.net	2a0b:8e00::10 91.237.67.1	ns1.dnshost.net ns1.dnshost.net	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.dnshost.net	185.167.176.1 2a0b:8e00:1::10	ns2.dnshost.net ns2.dnshost.net	AS207021 ipcom GmbH AS1921 ipcom GmbH

🌍 A Records#

1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.204.119.129	300s	129.119.204.35.bc.googleusercontent.com	AS396982	Google LLC	35.204.0.0/15	🇳🇱 The Netherlands	Groningen

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	celltech-dk.mail.protection.outlook.com	52.101.68.0 52.101.68.12 52.101.68.18 52.101.73.4	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com	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)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records 218ms

TXT Record
google-site-verification=vFKmvg515ocldBvbH6c-cbVaCPN02F-0Uqv6kJ-65b8
K8AMbuJd
MS=ms22838626
v=spf1 mx ip4:217.13.243.56 ip4:217.13.243.53 ip4:176.58.121.194 ip6:2a01:7e00::f03c:91ff:feae:b668 include:_spf.google.com include:spf.protection.outlook.com include:_f7be899b2ab25f0dc3fa379dd2aa3225.spf.dnssmarthost.net ~all
ViXYVaS0mm48xna9BBxckDPHpYAh98PbkDI86xoVUcs=

✉️ SPF#

Policy	Record (celltech.dk)
~all (soft fail)	v=spf1 mx ip4:217.13.243.56 ip4:217.13.243.53 ip4:176.58.121.194 ip6:2a01:7e00::f03c:91ff:feae:b668 include:_spf.google.com include:spf.protection.outlook.com include:_f7be899b2ab25f0dc3fa379dd2aa3225.spf.dnssmarthost.net ~all

📨 DMARC#

Policy	Record (_dmarc.celltech.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@addtech.com; ruf=mailto:dmarc.analyze@addtech.com;

📬 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 01:54:24

www	35.204.119.129 (AS396982) (address records, no CNAME)
www vs bare domain	Same network celltech.dk: 35.204.119.129 (AS396982) www.celltech.dk: 35.204.119.129 (AS396982)
Wildcard	No

✍️ DKIM keys#

3 found

Selector	CNAME	Key
default	celltech.dk.default.dkim.auto.dnssmarthost.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-celltech-dk._domainkey.addtech365.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-celltech-dk._domainkey.addtech365.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: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

80ms

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	1713532586
Primary NS (MNAME)	ns1.dnshost.net
Responsible (RNAME)	zonemaster@dnshost.net
Refresh	43200s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-09 05:31:01

Field	Value
Registrar	1API GmbH
Registered	1998-12-14
Expires	2026-12-31 (70d)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

42ms

43ms

AAAA

55ms

TXT

218ms

CAA

54ms

HTTPS

56ms

TLSA

507ms

SOA

0ms

MTA-STS

50ms

DNSSEC

80ms

SRV

2026ms

Total

3159ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 01:54:24	1109ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 03:30:59	840ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 21:30:26	1266ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 04:58:26	9692ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-15 18:55:18	3082ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-03 08:58:36	9736ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-27 15:41:27 shown	3159ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-17 21:47:23	1025ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-26 20:08:07	859ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 13:13:05	811ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 01:16:42	3043ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 07:56:50	1129ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 02:06:12	3575ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 20:13:57	15268ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 20:07:11	2830ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 20:02:19	1751ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 20:00:52	758ms	2 NS 1 A 1 MX	🔓 Insecure