rcs-security.dk
📜 DNS record history  ·  ← Current records
📜 Record History20 scans · 14 changes
Scanned AtChanges since previous scan
2026-08-27 07:00:31 no changes
2026-08-06 20:42:15
A + 93.191.156.161
MX + 10 mx.simply.com
TXT + v=spf1 include:spf.simply.com -all
TLSA + _25._tcp.mx.simply.com 311 97A3BA009F39C761BFFB6574340E813854914EF3B179330823A6980AFAFB533B + _25._tcp.mx.simply.com 311 A9D603AF4D7ED6B9246B4B68500CD6F232B7E8472ED0006626952106C370DD7F
SOA + serial 2025042300
DMARC + v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;
DNSSEC + secure − bogus
2026-07-29 10:13:43 no changes
2026-07-27 07:55:41 no changes
2026-07-26 07:20:17 no changes
2026-07-25 06:59:28 no changes
2026-07-24 06:36:53 no changes
2026-07-23 05:34:40 no changes
2026-07-22 04:39:28 no changes
2026-07-20 16:03:24 no changes
2026-07-19 15:15:42 no changes
2026-07-18 10:46:51 no changes
2026-07-17 07:47:52 no changes
2026-07-14 17:00:39 no changes
2026-07-13 16:41:05 no changes
2026-07-12 03:53:32 no changes
2026-07-10 23:24:11 no changes
2026-07-08 13:41:52
A − 93.191.156.161
MX − 10 mx.simply.com
TXT − v=spf1 include:spf.simply.com -all
TLSA − _25._tcp.mx.simply.com 311 97A3BA009F39C761BFFB6574340E813854914EF3B179330823A6980AFAFB533B − _25._tcp.mx.simply.com 311 A9D603AF4D7ED6B9246B4B68500CD6F232B7E8472ED0006626952106C370DD7F
SOA − serial 2025042300
DMARC − v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;
DNSSEC + bogus − secure
2026-06-20 06:55:58 no changes
2026-06-17 12:18:18 baseline 3 NS · 1 A · 1 MX · 1 TXT · 2 TLSA · serial 2025042300 · DMARC · DNSSEC secure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 20 scans). Click a timestamp to view that full snapshot.

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