rosthald.dk

📜 Historical scan 2026-08-13 21:58:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rosthald.dk is a .dk domain served by 2 nameservers (autumn.ns.cloudflare.com, gabriel.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.74.235 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by rosthald-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 245ms

Nameserver	IP addresses	PTR	ASN / ISP
autumn.ns.cloudflare.com	108.162.194.148 162.159.38.148 172.64.34.148 2606:4700:50::a29f:2694 2803:f800:50::6ca2:c294 2a06:98c1:50::ac40:2294	autumn.ns.cloudflare.com autumn.ns.cloudflare.com autumn.ns.cloudflare.com autumn.ns.cloudflare.com autumn.ns.cloudflare.com autumn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
gabriel.ns.cloudflare.com	108.162.195.244 162.159.44.244 172.64.35.244 2606:4700:58::a29f:2cf4 2803:f800:50::6ca2:c3f4 2a06:98c1:50::ac40:23f4	gabriel.ns.cloudflare.com gabriel.ns.cloudflare.com gabriel.ns.cloudflare.com gabriel.ns.cloudflare.com gabriel.ns.cloudflare.com gabriel.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 209ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.74.235	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.164.160	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 207ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rosthald-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::2 2a01:111:f403:ca09::6 2a01:111:f403:ca09::9 52.101.68.12 52.101.68.36 52.101.73.19 52.101.73.30	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am7pr05cu00306.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)#

2 records 248ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:4aeb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:a4a0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 205ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.74.235,172.67.164.160 ech=AEX+DQBBJwAgACBaGKwXMEMBz6O3x4S7FWReTVFwCPwRFGkBP/8wwQ5SCAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:4aeb,2606:4700:3035::ac43:a4a0

🔌 SRV Records#

1 records 273ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 497ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.rosthald.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:33b565211c7b4272ac8f69b3dd27e327@dmarc-reports.cloudflare.net

📬 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 01:40:48

www	104.21.74.235 172.67.164.160 2606:4700:3035::6815:4aeb 2606:4700:3035::ac43:a4a0 (AS13335) (address records, no CNAME)
www vs bare domain	Same network rosthald.dk: 104.21.74.235 172.67.164.160 2606:4700:3035::6815:4aeb 2606:4700:3035::ac43:a4a0 (AS13335) www.rosthald.dk: 104.21.74.235 172.67.164.160 2606:4700:3035::6815:4aeb 2606:4700:3035::ac43:a4a0 (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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-rosthald-dk._domainkey.rosthald.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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

350ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412111940
Primary NS (MNAME)	autumn.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

245ms

209ms

207ms

AAAA

248ms

TXT

497ms

CAA

213ms

HTTPS

205ms

TLSA

552ms

SOA

0ms

MTA-STS

269ms

DNSSEC

350ms

SRV

273ms

Total

4387ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 01:40:47	2521ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-12 23:25:39	3243ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-25 08:15:08	898ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-24 06:00:19	1429ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-10 01:47:25	2621ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-28 15:29:07	1930ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-13 21:58:21 shown	4387ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-08 23:24:52	2396ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-12 14:12:58	1386ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-23 22:51:14	3092ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-23 04:50:41	1178ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 23:35:41	818ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-20 22:35:52	1112ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 02:23:14	786ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-18 05:02:20	1362ms	2 NS 2 A 1 MX	🔒 Secure