carlbacks.dk

📜 Historical scan 2026-10-12 10:07:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

carlbacks.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 December 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by carlbacks-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 34ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	carlbacks-dk.mail.protection.outlook.com	2a01:111:f403:ca09::20 2a01:111:f403:ca09::26 2a01:111:f403:ca09::28 2a01:111:f403:ca38::8 52.101.185.21 52.101.185.24 52.101.73.123 52.101.73.145	mail-as8pr05cu00400.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-am6pr02cu00203.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 84ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	1	443	exchange.comtecint.dk
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

4 records 171ms

TXT Record
GhtYgA5ja+aKAsm3pQcU2Nn+DNBEPs5tC+oURulx2pBsN7QSiQaqZkJn/mLozIUFAhCBsffF7apX/MQ+cm504w==
MS=ms29864245
MS=ms58860457
v=spf1 a ip4:91.215.160.236 ip4:144.76.194.86 include:comtecint.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (carlbacks.dk)
-all (hard fail)	v=spf1 a ip4:91.215.160.236 ip4:144.76.194.86 include:comtecint.dk include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.carlbacks.dk)
p=reject	v=DMARC1; p=reject; adkim=r; aspf=r; pct=100; ri=86400; sp=reject

📬 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 2026-10-16 18:59:16

www CNAME	comtec-webshop-server-production.eba-dex5hanz.eu-central-1.elasticbeanstalk.com (all on elasticbeanstalk.com) → 18.198.21.218 3.69.221.226 (AS16509)
www vs bare domain	Different networks carlbacks.dk: 195.47.247.18 (AS51468) www.carlbacks.dk: 18.198.21.218 3.69.221.226 (AS16509) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-carlbacks-dk._domainkey.carlbacks.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-carlbacks-dk._domainkey.carlbacks.onmicrosoft.com	RSA · ~1024 bit below 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: 10/10 · policy: -all

warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.carlbacks.dk	_acme-challenge.powr.host

🔗 TLSA / DANE#

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

🔐 DNSSEC#

112ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2026101106
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 2026-10-11 18:15:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-12-08
Expires	2026-12-31 (75d)

🔗 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#

34ms

41ms

45ms

AAAA

36ms

TXT

171ms

CAA

39ms

HTTPS

38ms

TLSA

514ms

SOA

45ms

MTA-STS

45ms

DNSSEC

112ms

SRV

84ms

Total

1239ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 18:59:16	1425ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-15 17:12:19	1418ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-14 15:05:30	1172ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 12:27:10	2419ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-12 10:07:14 shown	1239ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 09:20:05	3810ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 07:30:19	2491ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 05:13:41	1523ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 05:11:26	1237ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 05:09:54	1312ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 22:40:08	1501ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 22:38:03	3714ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 22:18:17	3591ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 22:11:45	1089ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 22:03:36	797ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 18:38:58	2930ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 22:44:21	1233ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 06:25:27	1012ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 16:41:42	5524ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 15:34:47	1129ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 11:34:11	1081ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 03:52:51	878ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 19:32:23	65535ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 19:25:47	638ms	2 NS 1 A 1 MX	🔒 Secure