christofferankersen.dk

📜 Historical scan 2026-07-17 13:37:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

christofferankersen.dk is a .dk domain served by 2 nameservers (cheryl.ns.cloudflare.com, noel.ns.cloudflare.com). It was registered on 7 February 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.9.206 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by christofferankersen-dk.mail.protection.outlook.com. 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 72ms

Nameserver	IP addresses	PTR	ASN / ISP
cheryl.ns.cloudflare.com	108.162.192.83 172.64.32.83 173.245.58.83 2606:4700:50::adf5:3a53 2803:f800:50::6ca2:c053 2a06:98c1:50::ac40:2053	cheryl.ns.cloudflare.com cheryl.ns.cloudflare.com cheryl.ns.cloudflare.com cheryl.ns.cloudflare.com cheryl.ns.cloudflare.com cheryl.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
noel.ns.cloudflare.com	108.162.193.216 172.64.33.216 173.245.59.216 2606:4700:58::adf5:3bd8 2803:f800:50::6ca2:c1d8 2a06:98c1:50::ac40:21d8	noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com noel.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 62ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.9.206	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.131.6	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 76ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	christofferankersen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::f 2a01:111:f403:ca09::1 2a01:111:f403:ca09::20 52.101.68.16 52.101.68.18 52.101.68.29 52.101.73.2	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 52.98.154.152
🔶 Autoconfig	104.21.9.206

🔷 AAAA Records (IPv6)#

2 records 63ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:9ce	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:8306	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 76ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.9.206,172.67.131.6 ech=AEX+DQBBsQAgACBb5UPmgfmO14XgxYAbwMJAXBjSXYN/RxMaV8zIMT4dGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:9ce,2606:4700:3037::ac43:8306

📝 TXT Records#

2 records 244ms

TXT Record
MS=ms18985728
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.christofferankersen.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:email@christofferankersen.dk

📬 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 2026-10-15 23:23:08

www	104.21.9.206 172.67.131.6 2606:4700:3031::6815:9ce 2606:4700:3037::ac43:8306 (AS13335) (address records, no CNAME)
www vs bare domain	Same network christofferankersen.dk: 104.21.9.206 172.67.131.6 2606:4700:3031::6815:9ce 2606:4700:3037::ac43:8306 (AS13335) www.christofferankersen.dk: 104.21.9.206 172.67.131.6 2606:4700:3031::6815:9ce 2606:4700:3037::ac43:8306 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u32180186.wl187.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u32180186.wl187.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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

149ms

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

🏷️ SOA#

71ms

Field	Value
Serial	2409119487
Primary NS (MNAME)	cheryl.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 20:13:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-02-07
Expires	2027-02-28 (128d)

🔗 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#

72ms

62ms

76ms

AAAA

63ms

TXT

244ms

CAA

72ms

HTTPS

76ms

TLSA

419ms

SOA

71ms

MTA-STS

99ms

DNSSEC

149ms

SRV

91ms

Total

17551ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 23:23:08	1362ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-14 19:49:26	745ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-03 20:35:38	1145ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 12:56:03	1340ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-21 07:22:30	1503ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-03 19:23:23	1150ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 10:24:25	1209ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-18 10:42:17	7252ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-03 03:17:35	3460ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-17 13:37:12 shown	17551ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-10 12:53:56	1425ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-06 20:59:22	1774ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 02:32:39	753ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 19:59:21	4466ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 20:45:47	738ms	2 NS 2 A 1 MX	🔓 Insecure