rosenberger.dk

Records from scan: 2026-10-17 17:20:11 · 2900ms total · last checked 2026-10-19 19:29 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rosenberger.dk is a .dk domain served by 2 nameservers (dave.ns.cloudflare.com, jocelyn.ns.cloudflare.com). It was registered on 13 May 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.55.184 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by rosenberger-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 88ms

Nameserver	IP addresses	PTR	ASN / ISP
dave.ns.cloudflare.com	108.162.193.109 172.64.33.109 173.245.59.109 2606:4700:58::adf5:3b6d 2803:f800:50::6ca2:c16d 2a06:98c1:50::ac40:216d	dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jocelyn.ns.cloudflare.com	108.162.192.174 172.64.32.174 173.245.58.174 2606:4700:50::adf5:3aae 2803:f800:50::6ca2:c0ae 2a06:98c1:50::ac40:20ae	jocelyn.ns.cloudflare.com jocelyn.ns.cloudflare.com jocelyn.ns.cloudflare.com jocelyn.ns.cloudflare.com jocelyn.ns.cloudflare.com jocelyn.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 186ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.55.184	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.172.30	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 111ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	rosenberger-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::c 2a01:111:f403:ca21::8 2a01:111:f403:ca21::a 52.101.68.12 52.101.68.27 52.101.68.29 52.101.73.126	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

2 records 108ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:37b8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:ac1e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 179ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.55.184,172.67.172.30 ech=AEX+DQBB9gAgACCmDev2rGOjNu/UjgTi6yzOnaIkm4qD5r82F3CkIsGmOQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:37b8,2606:4700:3036::ac43:ac1e

📝 TXT Records#

2 records 370ms

TXT Record
MS=ms52661234
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.rosenberger.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:65c1f9ec492c2@dmarc-dk.centerasecurity.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#

checked 2026-10-17 17:20:11

www	104.21.55.184 172.67.172.30 2606:4700:3033::6815:37b8 2606:4700:3036::ac43:ac1e (AS13335) (address records, no CNAME)
www vs bare domain	Same network rosenberger.dk: 104.21.55.184 172.67.172.30 2606:4700:3033::6815:37b8 2606:4700:3036::ac43:ac1e (AS13335) www.rosenberger.dk: 104.21.55.184 172.67.172.30 2606:4700:3033::6815:37b8 2606:4700:3036::ac43:ac1e (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.rosenberger.dk	aPh4hFELEFeSXVTjrGCKP_gP683RXgnzg-yHmTVPNkc
TXT	_acme-challenge.rosenberger.dk	-vf8FLgfSC0gfbX9-asNQPvunZDIcqNJb1yOumLDirw

🔗 TLSA / DANE#

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

🔐 DNSSEC#

294ms

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

🏷️ SOA#

80ms

Field	Value
Serial	2417729201
Primary NS (MNAME)	dave.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 01:49:03

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-05-13
Expires	2027-06-30 (252d)

📋 WHOIS#

⏱️ Lookup Timing#

88ms

186ms

111ms

AAAA

108ms

TXT

370ms

CAA

110ms

HTTPS

179ms

TLSA

819ms

SOA

80ms

MTA-STS

146ms

DNSSEC

294ms

SRV

228ms

Total

2900ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 17:20:11 shown	2900ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-14 13:51:02	1312ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-08 01:18:39	923ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-04 01:04:57	1100ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 00:47:18	1156ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-26 15:35:32	905ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-23 20:29:06	1416ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-02 23:00:00	962ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-31 14:40:52	2527ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 10:25:52	1045ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-17 13:42:52	10000ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-16 10:31:45	5131ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-06 16:27:34	2143ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-15 22:46:16	2062ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-25 11:50:21	1402ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-23 19:09:18	987ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 04:55:44	797ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 13:54:06	3538ms	2 NS 2 A 1 MX	🔒 Secure