`mail.checkdomain.de`

DNSSEC	⚠️ Not signed
A	2a01:4f8:211:26e3:1e3f:2f51:14f8:56eb^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`mx.checkdomain.de`
A	136.243.13.126^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}

`checkdomain.de`

	DNSSEC	⚠️ Not signed
	A	31.47.251.5^{🇩🇪 CLOUDPIT31.47.240.0/20}
	NS	`ns2.checkdomain.de` ⭐
	NS	`ns.checkdomain.de`
	MX	`m1.checkdomain.de` ⭐
	MX	`m2.checkdomain.de`⁽²⁰⁾
	TXT	`docker-verification=672e8e8e-3881-4f08-abdf-9b53d432afed`
	TXT	`ZOOM_verify_swigHX81TKO6Lpvl3mzY_Q`
	TXT	`pandadoc-domain-verification=be4pxxLjnr7zjZP8CGnMxe`
	TXT	`MS=ms69699864`
	TXT	`slack-domain-verification=0HwLoCeQR6NKLoHLzYRHNapepuf2S14afrziBMYN`
	TXT	`Sendinblue-code:ed3757f69b55cef27022dda6ad660908`
	TXT	`v=spf1 include:_spf.cio.g1i.one include:mx.spf.checkdomain.de include:web1.sp...`
	TXT	`mixpanel-domain-verify=9b584196-8e5c-4aed-b33e-348f7385750b`
	TXT	`apple-domain-verification=axE5Zek5oqkQpmY1`
	TXT	`teamviewer-sso-verification=2b4fee964a8c4e6996c85993bdfceea3`
	TXT	`atlassian-domain-verification=KKeihQSanTHe0l1pqlAF48oghg9rSqxhRZakMd/Gq8e8xTF...`
	TXT	`google-site-verification=I0k-91zTnc8en6LAb7lt91WCg7rBlINQFic7CuplaP4`
	TXT	`ahrefs-site-verification_d51df861c42b3f97717ea844ad7c9cf7869c6d6ac16ba335f07b...`
	SOA	`ns.checkdomain.de`hostmaster@checkdomain.de 2026-05-08 #5

WOT: SAFE (63/100)
rank #13371 globally
rank #399 in the tld
WOT: SAFE (75/100)
📈 Tranco rank: #12,780

Previously MX for

checkdomaen.de

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DNS History

3 records (2 active, 1 former)

●A136.243.13.1262015-11-08 → 2026-05-09 · 3 obs

○ 2015-06-27 06:46:24
● 2015-11-08 11:01:36
● 2026-05-09 18:51:42

○A217.172.166.1512015-06-27 → 2015-06-27 · 3 obs

● 2015-06-27 06:46:24
○ 2015-11-08 11:01:36
○ 2026-05-09 18:51:42

●A2a01:4f8:211:26e3:1e3f:2f51:14f8:56eb2015-11-08 → 2026-05-09 · 3 obs

○ 2015-06-27 06:46:24
● 2015-11-08 11:01:36
● 2026-05-09 18:51:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, a.nic.de, f.nic.de	-
checkdomain.de	ns2.checkdomain.de, ns.checkdomain.de	4 records

✅ Authoritative Response

Server:5.9.190.98

NS records: ns2.checkdomain.de, ns.checkdomain.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checkdomain.de (unsigned zone)

⏱️ Timing

Total: 937ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`136.243.13.126`
AAAA	1	`2a01:4f8:211:26e3:1e3f:2f51:14f8:56eb`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns.checkdomain.de, ns2.checkdomain.de, ns.checkdomain.de...)

Analysis

IP Addresses

mail.checkdomain.de points to two IP numbers: 2a01:4f8:211:26e3:1e3f:2f51:14f8:56eb and 136.243.13.126.

Other host names such as mail.visium.de, mail.nicgate.com and mx.checkdomain.de share IP numbers with mail.checkdomain.de.

mail.checkdomain.de - robtex.com