celcius.dk

📜 Historical scan 2026-09-06 14:41:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

celcius.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 December 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.176 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by celcius-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 28ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.176	3600s	webcluster2.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	celcius-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca09::26 2a01:111:f403:ca3c::6 2a01:111:f403:ca48::12 52.101.68.29 52.101.68.8 52.101.73.15 52.101.73.22	mail-db7pr03cu00401.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

1 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:8085:240c:9362:c937	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 141ms

TXT Record
brevo-code:12ac6b64e277159bbd810280d4001c1e
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.celcius.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 2026-10-08 13:30:19

www	46.30.213.176 2a02:2350:5:10c:8085:240c:9362:c937 (AS51468) (address records, no CNAME)
www vs bare domain	Same network celcius.dk: 46.30.213.176 2a02:2350:5:10c:8085:240c:9362:c937 (AS51468) www.celcius.dk: 46.30.213.176 2a02:2350:5:10c:8085:240c:9362:c937 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
mail	—	RSA · ~1024 bit below 2048 bit
s1	s1.domainkey.u37693368.wl119.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u37693368.wl119.sendgrid.net	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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

100ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026090401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-06 10:49:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-12-16
Expires	2026-12-31 (70d)

📋 WHOIS#

⏱️ Lookup Timing#

28ms

37ms

AAAA

41ms

TXT

141ms

CAA

29ms

HTTPS

34ms

TLSA

996ms

SOA

0ms

MTA-STS

69ms

DNSSEC

100ms

SRV

72ms

Total

1551ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 13:30:19	876ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-06 10:20:49	1355ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 16:16:21	1617ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-06 14:41:18 shown	1551ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-23 15:01:48	9149ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-05 20:01:12	1482ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-08 11:09:27	1102ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 19:46:49	810ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 18:32:54	966ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:06:34	2455ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:02:26	850ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:00:03	909ms	2 NS 1 A 1 MX	🔒 Secure