icd-code.de - robtex.com

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`icd-code.de`

DNSSEC	⚠️ Not signed
A	2600:9000:27ce:200:b:e745:63c0:93a1^{🇺🇸 Amazon}
A	2600:9000:27ce:2400:b:e745:63c0:93a1^{🇺🇸 Amazon}
A	2600:9000:27ce:4800:b:e745:63c0:93a1^{🇺🇸 Amazon}
A	2600:9000:27ce:6800:b:e745:63c0:93a1^{🇺🇸 Amazon}
A	2600:9000:27ce:9000:b:e745:63c0:93a1^{🇺🇸 Amazon}
A	2600:9000:27ce:d400:b:e745:63c0:93a1^{🇺🇸 Amazon}
A	2600:9000:27ce:ea00:b:e745:63c0:93a1^{🇺🇸 Amazon}
A	2600:9000:27ce:f800:b:e745:63c0:93a1^{🇺🇸 Amazon}
A	3.167.99.15^{🇺🇸 Amazon}
A	3.167.99.103^{🇺🇸 Amazon}
A	3.167.99.106^{🇺🇸 Amazon}
A	3.167.99.129^{🇺🇸 Amazon}
NS	`ns-422.awsdns-52.com` ⭐
		A	2600:9000:5301:a600::1^{🇺🇸 Amazon}
			PTR	`ns-422.awsdns-52.com`
		A	205.251.193.166^{🇺🇸 Amazon}
			PTR	`ns-422.awsdns-52.com`
NS	`ns-1409.awsdns-48.org`
		A	2600:9000:5305:8100::1^{🇺🇸 Amazon}
			PTR	`ns-1409.awsdns-48.org`
		A	205.251.197.129^{🇺🇸 Amazon}
			PTR	`ns-1409.awsdns-48.org`
NS	`ns-1764.awsdns-28.co.uk`
		A	2600:9000:5306:e400::1^{🇺🇸 Amazon}
			PTR	`ns-1764.awsdns-28.co.uk`
		A	205.251.198.228^{🇺🇸 Amazon}
			PTR	`ns-1764.awsdns-28.co.uk`
NS	`ns-996.awsdns-60.net`
		A	2600:9000:5303:e400::1^{🇺🇸 Amazon}
			PTR	`ns-996.awsdns-60.net`
		A	205.251.195.228^{🇺🇸 Amazon}
			PTR	`ns-996.awsdns-60.net`
MX	`smtp.rzone.de`⁽⁹⁹⁹⁾
		A	2a01:238:20a:202:50f0::2097^{🇩🇪 STRATO}
			PTR	`smtp.rzone.de`
		A	81.169.145.98^{🇩🇪 STRATO}
			PTR	`smtp.rzone.de`
SOA	`ns-422.awsdns-52.com`awsdns-hostmaster@amazon.com serial=1

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net`⚠️
	NS	`n.de.net`⚠️
	NS	`s.de.net`⚠️
	NS	`z.nic.de` 🔒
	SOA	`f.nic.de`dns-operations@denic.de serial=1771274564

rank #221025 globally
rank #7628 in the tld
📈 Tranco rank: #302,398

Previously MX for

icd-code.de

Up

www.icd-code.de

Same first word

icd-code.net

icd-code.org

icd-code.de

icd-code.com

DNS History

77 records (17 active, 60 former)

○NSdocks19.rzone.de2016-11-19 → 2016-11-19 · 4 obs

○ 2016-04-05 15:11:44
● 2016-11-19 13:58:48
○ 2026-02-15 20:59:40
○ 2026-02-16 22:16:18

●NSns-1409.awsdns-48.org2026-02-15 → 2026-02-16 · 3 obs

○ 2016-11-19 13:58:48
● 2026-02-15 20:59:40
● 2026-02-16 22:16:18

●NSns-1764.awsdns-28.co.uk2026-02-15 → 2026-02-16 · 3 obs

○ 2016-11-19 13:58:48
● 2026-02-15 20:59:40
● 2026-02-16 22:16:18

●NSns-422.awsdns-52.com2026-02-15 → 2026-02-16 · 3 obs

○ 2016-11-19 13:58:48
● 2026-02-15 20:59:40
● 2026-02-16 22:16:18

●NSns-996.awsdns-60.net2026-02-15 → 2026-02-16 · 3 obs

○ 2016-11-19 13:58:48
● 2026-02-15 20:59:40
● 2026-02-16 22:16:18

○NSns.serverkompetenz.de2015-06-08 → 2016-04-05 · 4 obs

● 2015-06-08 21:03:18
● 2016-04-05 15:11:44
○ 2016-11-19 13:58:48
○ 2026-02-16 22:16:18

○NSns2.serverkompetenz.de2015-06-08 → 2016-04-05 · 4 obs

● 2015-06-08 21:03:18
● 2016-04-05 15:11:44
○ 2016-11-19 13:58:48
○ 2026-02-16 22:16:18

○NSshades17.rzone.de2016-11-19 → 2016-11-19 · 4 obs

○ 2016-04-05 15:11:44
● 2016-11-19 13:58:48
○ 2026-02-15 20:59:40
○ 2026-02-16 22:16:18

○MXicd-code.de2015-06-08 → 2016-04-05 · 4 obs

● 2015-06-08 21:03:18
● 2016-04-05 15:11:44
○ 2016-11-19 13:58:48
○ 2026-02-16 22:16:18

●MXsmtp.rzone.de2016-11-19 → 2026-02-16 · 3 obs

○ 2016-04-05 15:11:44
● 2016-11-19 13:58:48
● 2026-02-16 22:16:18

○A18.154.144.392026-02-15 → 2026-02-15 · 4 obs

○ 2016-11-19 13:58:48
● 2026-02-15 20:59:40
○ 2026-02-15 23:37:12
○ 2026-02-16 22:16:18

○A18.154.144.72026-02-15 → 2026-02-15 · 4 obs

○ 2016-11-19 13:58:48
● 2026-02-15 20:59:40
○ 2026-02-15 23:37:12
○ 2026-02-16 22:16:18

○A18.154.144.842026-02-15 → 2026-02-15 · 4 obs

○ 2016-11-19 13:58:48
● 2026-02-15 20:59:40
○ 2026-02-15 23:37:12
○ 2026-02-16 22:16:18

○A18.154.144.982026-02-15 → 2026-02-15 · 4 obs

○ 2016-11-19 13:58:48
● 2026-02-15 20:59:40
○ 2026-02-15 23:37:12
○ 2026-02-16 22:16:18

○A18.154.84.1162026-02-15 → 2026-02-16 · 4 obs

○ 2026-02-15 20:59:40
● 2026-02-15 23:37:12
● 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A18.154.84.1252026-02-15 → 2026-02-16 · 4 obs

○ 2026-02-15 20:59:40
● 2026-02-15 23:37:12
● 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A18.154.84.372026-02-15 → 2026-02-16 · 4 obs

○ 2026-02-15 20:59:40
● 2026-02-15 23:37:12
● 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A18.154.84.972026-02-15 → 2026-02-16 · 4 obs

○ 2026-02-15 20:59:40
● 2026-02-15 23:37:12
● 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A199.217.112.102016-01-14 → 2016-11-19 · 5 obs

○ 2015-10-26 09:02:02
● 2016-01-14 20:50:42
● 2016-11-19 13:58:48
○ 2026-02-15 20:59:40
○ 2026-02-16 22:16:18

○A2600:9000:24da:1c00:b:e745:63c0:93a12026-02-15 → 2026-02-15 · 4 obs

○ 2016-11-19 13:58:48
● 2026-02-15 20:59:40
○ 2026-02-15 23:37:12
○ 2026-02-16 22:16:18

○A2600:9000:24da:200:b:e745:63c0:93a12026-02-15 → 2026-02-15 · 4 obs

○ 2016-11-19 13:58:48
● 2026-02-15 20:59:40
○ 2026-02-15 23:37:12
○ 2026-02-16 22:16:18

○A2600:9000:24da:3000:b:e745:63c0:93a12026-02-15 → 2026-02-15 · 4 obs

○ 2016-11-19 13:58:48
● 2026-02-15 20:59:40
○ 2026-02-15 23:37:12
○ 2026-02-16 22:16:18

○A2600:9000:24da:5000:b:e745:63c0:93a12026-02-15 → 2026-02-15 · 4 obs

○ 2016-11-19 13:58:48
● 2026-02-15 20:59:40
○ 2026-02-15 23:37:12
○ 2026-02-16 22:16:18

○A2600:9000:24da:6800:b:e745:63c0:93a12026-02-15 → 2026-02-15 · 4 obs

○ 2016-11-19 13:58:48
● 2026-02-15 20:59:40
○ 2026-02-15 23:37:12
○ 2026-02-16 22:16:18

○A2600:9000:24da:7600:b:e745:63c0:93a12026-02-15 → 2026-02-15 · 4 obs

○ 2016-11-19 13:58:48
● 2026-02-15 20:59:40
○ 2026-02-15 23:37:12
○ 2026-02-16 22:16:18

○A2600:9000:24da:c000:b:e745:63c0:93a12026-02-15 → 2026-02-15 · 4 obs

○ 2016-11-19 13:58:48
● 2026-02-15 20:59:40
○ 2026-02-15 23:37:12
○ 2026-02-16 22:16:18

○A2600:9000:24da:cc00:b:e745:63c0:93a12026-02-15 → 2026-02-15 · 4 obs

○ 2016-11-19 13:58:48
● 2026-02-15 20:59:40
○ 2026-02-15 23:37:12
○ 2026-02-16 22:16:18

○A2600:9000:2680:0:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-15 23:37:12
● 2026-02-16 02:45:54
○ 2026-02-16 10:24:50
○ 2026-02-16 22:16:18

○A2600:9000:2680:1400:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 02:45:54
● 2026-02-16 10:24:50
○ 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A2600:9000:2680:2200:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 3 obs

○ 2026-02-16 10:24:50
● 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A2600:9000:2680:3800:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 02:45:54
● 2026-02-16 10:24:50
○ 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A2600:9000:2680:4400:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-15 23:37:12
● 2026-02-16 02:45:54
○ 2026-02-16 10:24:50
○ 2026-02-16 22:16:18

○A2600:9000:2680:5000:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 3 obs

○ 2026-02-16 10:24:50
● 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A2600:9000:2680:5a00:b:e745:63c0:93a12026-02-15 → 2026-02-16 · 5 obs

○ 2026-02-15 20:59:40
● 2026-02-15 23:37:12
● 2026-02-16 02:45:54
○ 2026-02-16 10:24:50
○ 2026-02-16 22:16:18

○A2600:9000:2680:600:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-15 23:37:12
● 2026-02-16 02:45:54
○ 2026-02-16 10:24:50
○ 2026-02-16 22:16:18

○A2600:9000:2680:6200:b:e745:63c0:93a12026-02-15 → 2026-02-16 · 5 obs

○ 2026-02-15 20:59:40
● 2026-02-15 23:37:12
● 2026-02-16 02:45:54
○ 2026-02-16 10:24:50
○ 2026-02-16 22:16:18

○A2600:9000:2680:6600:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 3 obs

○ 2026-02-16 10:24:50
● 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A2600:9000:2680:6800:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-15 23:37:12
● 2026-02-16 02:45:54
○ 2026-02-16 10:24:50
○ 2026-02-16 22:16:18

○A2600:9000:2680:7600:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 02:45:54
● 2026-02-16 10:24:50
○ 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A2600:9000:2680:8000:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 02:45:54
● 2026-02-16 10:24:50
○ 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A2600:9000:2680:8600:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 02:45:54
● 2026-02-16 10:24:50
○ 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A2600:9000:2680:8800:b:e745:63c0:93a12026-02-15 → 2026-02-15 · 4 obs

○ 2026-02-15 20:59:40
● 2026-02-15 23:37:12
○ 2026-02-16 02:45:54
○ 2026-02-16 22:16:18

○A2600:9000:2680:8a00:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 3 obs

○ 2026-02-16 10:24:50
● 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A2600:9000:2680:8e00:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 02:45:54
● 2026-02-16 10:24:50
○ 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A2600:9000:2680:9000:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 3 obs

○ 2026-02-16 10:24:50
● 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A2600:9000:2680:ac00:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 02:45:54
● 2026-02-16 10:24:50
○ 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A2600:9000:2680:ae00:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 3 obs

○ 2026-02-16 10:24:50
● 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A2600:9000:2680:b600:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 3 obs

○ 2026-02-16 10:24:50
● 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A2600:9000:2680:b800:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-16 02:45:54
● 2026-02-16 10:24:50
● 2026-02-16 14:02:24
○ 2026-02-16 22:16:18

○A2600:9000:2680:be00:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-15 23:37:12
● 2026-02-16 02:45:54
○ 2026-02-16 10:24:50
○ 2026-02-16 22:16:18

○A2600:9000:2680:c000:b:e745:63c0:93a12026-02-15 → 2026-02-15 · 4 obs

○ 2026-02-15 20:59:40
● 2026-02-15 23:37:12
○ 2026-02-16 02:45:54
○ 2026-02-16 22:16:18

○A2600:9000:2680:c800:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-15 23:37:12
● 2026-02-16 02:45:54
○ 2026-02-16 10:24:50
○ 2026-02-16 22:16:18

○A2600:9000:2680:d000:b:e745:63c0:93a12026-02-15 → 2026-02-15 · 4 obs

○ 2026-02-15 20:59:40
● 2026-02-15 23:37:12
○ 2026-02-16 02:45:54
○ 2026-02-16 22:16:18

○A2600:9000:2680:d200:b:e745:63c0:93a12026-02-15 → 2026-02-15 · 4 obs

○ 2026-02-15 20:59:40
● 2026-02-15 23:37:12
○ 2026-02-16 02:45:54
○ 2026-02-16 22:16:18

○A2600:9000:2680:d600:b:e745:63c0:93a12026-02-15 → 2026-02-15 · 4 obs

○ 2026-02-15 20:59:40
● 2026-02-15 23:37:12
○ 2026-02-16 02:45:54
○ 2026-02-16 22:16:18

○A2600:9000:2680:e000:b:e745:63c0:93a12026-02-15 → 2026-02-15 · 4 obs

○ 2026-02-15 20:59:40
● 2026-02-15 23:37:12
○ 2026-02-16 02:45:54
○ 2026-02-16 22:16:18

○A2600:9000:27ce:0:b:e745:63c0:93a12026-02-15 → 2026-02-16 · 2 obs

○ 2026-02-15 20:59:40
○ 2026-02-16 22:16:18

○A2600:9000:27ce:1000:b:e745:63c0:93a12026-02-15 → 2026-02-16 · 2 obs

○ 2026-02-15 20:59:40
○ 2026-02-16 22:16:18

●A2600:9000:27ce:200:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 2 obs

○ 2026-02-16 14:02:24
● 2026-02-16 22:16:18

●A2600:9000:27ce:2400:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 2 obs

○ 2026-02-16 14:02:24
● 2026-02-16 22:16:18

○A2600:9000:27ce:2c00:b:e745:63c0:93a12026-02-15 → 2026-02-16 · 2 obs

○ 2026-02-15 20:59:40
○ 2026-02-16 22:16:18

●A2600:9000:27ce:4800:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 2 obs

○ 2026-02-16 14:02:24
● 2026-02-16 22:16:18

○A2600:9000:27ce:6600:b:e745:63c0:93a12026-02-15 → 2026-02-16 · 2 obs

○ 2026-02-15 20:59:40
○ 2026-02-16 22:16:18

●A2600:9000:27ce:6800:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 2 obs

○ 2026-02-16 14:02:24
● 2026-02-16 22:16:18

○A2600:9000:27ce:8600:b:e745:63c0:93a12026-02-15 → 2026-02-16 · 2 obs

○ 2026-02-15 20:59:40
○ 2026-02-16 22:16:18

●A2600:9000:27ce:9000:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 2 obs

○ 2026-02-16 14:02:24
● 2026-02-16 22:16:18

○A2600:9000:27ce:aa00:b:e745:63c0:93a12026-02-15 → 2026-02-16 · 2 obs

○ 2026-02-15 20:59:40
○ 2026-02-16 22:16:18

○A2600:9000:27ce:b000:b:e745:63c0:93a12026-02-15 → 2026-02-16 · 2 obs

○ 2026-02-15 20:59:40
○ 2026-02-16 22:16:18

●A2600:9000:27ce:d400:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 2 obs

○ 2026-02-16 14:02:24
● 2026-02-16 22:16:18

○A2600:9000:27ce:e200:b:e745:63c0:93a12026-02-15 → 2026-02-16 · 2 obs

○ 2026-02-15 20:59:40
○ 2026-02-16 22:16:18

●A2600:9000:27ce:ea00:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 2 obs

○ 2026-02-16 14:02:24
● 2026-02-16 22:16:18

●A2600:9000:27ce:f800:b:e745:63c0:93a12026-02-16 → 2026-02-16 · 2 obs

○ 2026-02-16 14:02:24
● 2026-02-16 22:16:18

●A3.167.99.1032026-02-16 → 2026-02-16 · 3 obs

○ 2026-02-15 20:59:40
○ 2026-02-16 14:02:24
● 2026-02-16 22:16:18

●A3.167.99.1062026-02-16 → 2026-02-16 · 3 obs

○ 2026-02-15 20:59:40
○ 2026-02-16 14:02:24
● 2026-02-16 22:16:18

●A3.167.99.1292026-02-16 → 2026-02-16 · 3 obs

○ 2026-02-15 20:59:40
○ 2026-02-16 14:02:24
● 2026-02-16 22:16:18

●A3.167.99.152026-02-16 → 2026-02-16 · 3 obs

○ 2026-02-15 20:59:40
○ 2026-02-16 14:02:24
● 2026-02-16 22:16:18

○A81.169.131.2332015-06-08 → 2015-10-26 · 4 obs

● 2015-06-08 21:03:18
● 2015-10-26 09:02:02
○ 2016-01-14 20:50:42
○ 2026-02-16 22:16:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
icd-code.de	ns-422.awsdns-52.com, ns-996.awsdns-60.net, ns-1409.awsdns-48.org, ns-1764.awsdns-28.co.uk	-

✅ Authoritative Response

Server: 205.251.197.129

NS records: ns-422.awsdns-52.com, ns-996.awsdns-60.net, ns-1409.awsdns-48.org, ns-1764.awsdns-28.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for icd-code.de (unsigned zone)

⏱️ Timing

Total: 1115ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.167.99.15, 3.167.99.103...`
AAAA	8	`2600:9000:27ce:aa00:b:e745:63c0:93a1, 2600:9000:27ce:3a00:b:e745:63c0:93a1...`
NS	4	`ns-1409.awsdns-48.org, ns-1764.awsdns-28.co.uk...`
SOA	1	`ns-422.awsdns-52.com awsdns-hostmaster.a`

AI analysis

icd-code.de is a parent of www.icd-code.de.

icd-code.de lists twelve IP numbers: 2600:9000:27ce:200:b:e745:63c0:93a1, 2600:9000:27ce:2400:b:e745:63c0:93a1, 2600:9000:27ce:4800:b:e745:63c0:93a1, 2600:9000:27ce:6800:b:e745:63c0:93a1, 2600:9000:27ce:9000:b:e745:63c0:93a1, 2600:9000:27ce:d400:b:e745:63c0:93a1, 2600:9000:27ce:ea00:b:e745:63c0:93a1, 2600:9000:27ce:f800:b:e745:63c0:93a1, 3.167.99.15, 3.167.99.103, 3.167.99.106 and 3.167.99.129.

Other host names such as d35icn5sju1ywt.cloudfront.net, cloud.petsafe.net, landmarkcases.c-span.org, d12iuy4yct6tug.cloudfront.net and studytoursqueensland.com share IP numbers with icd-code.de.

icd-code.de is delegated to four name servers: ns-422.awsdns-52.com, ns-996.awsdns-60.net, ns-1409.awsdns-48.org and ns-1764.awsdns-28.co.uk.

At least part of the name servers for icd-code.de are shared with other domains, for instance hipodromo.cl, amplifyandroid.com, diocletian.org, debcenter.org and cap-ops.net.

These name servers are commonly used together with the name servers ns-270.awsdns-33.com, ns-1588.awsdns-06.co.uk, ns-670.awsdns-19.net, ns-1354.awsdns-41.org, ns-1799.awsdns-32.co.uk and ns-2.awsdns-00.com.

Host names with two IP numbers:

ns-422.awsdns-52.com points to: 2600:9000:5301:a600::1 and 205.251.193.166

ns-996.awsdns-60.net points to: 2600:9000:5303:e400::1 and 205.251.195.228

ns-1409.awsdns-48.org points to: 2600:9000:5305:8100::1 and 205.251.197.129

ns-1764.awsdns-28.co.uk points to: 2600:9000:5306:e400::1 and 205.251.198.228

The mail server for icd-code.de is smtp.rzone.de.

icd-code.de uses the same mail server setup as other domains, for instance evelynverbindt.com, eifelfuehrer.de, roosterplan.nl, leeuwkens-teralfene.be and mensendieck-mbratoeva.com.

Hostname smtp.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::2097 and 81.169.145.98.