rengroent.dk

Records from scan: 2026-10-22 22:13:57 · 2010ms total · last checked 2026-10-25 02:19 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rengroent.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 13 October 2026 (WHOIS) and first appeared in the .dk zone on 14 October 2026. Its website address 216.198.79.1 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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#

3 records 64ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 109ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.198.79.1	3600s	—	AS16509	Amazon.com, Inc.	216.198.79.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 88ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	108.177.14.26 108.177.14.27 209.85.233.26 209.85.233.27 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1b 2a00:1450:4010:c03::1b 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b 74.125.131.27	lt-in-f26.1e100.net lt-in-f27.1e100.net lr-in-f26.1e100.net lr-in-f27.1e100.net lr-in-x1a.1e100.net lr-in-f26.1e100.net lr-in-f27.1e100.net lr-in-x1b.1e100.net lt-in-x1a.1e100.net lt-in-f26.1e100.net lt-in-x1b.1e100.net lt-in-f27.1e100.net lu-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 263ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

3 records 404ms

TXT Record
google-site-verification=WZUEp4pXHB4iSl9jJYbG_gIrInJaxGNp-Va7gISATF0
v=spf1 include:_spf.google.com include:spf.simply.com -all
v=spf1 include:spf.simply.com -all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (rengroent.dk)
-all (hard fail)	v=spf1 include:_spf.google.com include:spf.simply.com -all
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.rengroent.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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 2026-10-22 22:13:57

www CNAME	5a4920dc65c983a4.vercel-dns-017.com (all on vercel-dns-017.com) → 216.198.79.1 64.29.17.1 (AS16509)
www vs bare domain	Same network rengroent.dk: 216.198.79.1 (AS16509) www.rengroent.dk: 216.198.79.1 64.29.17.1 (AS16509)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
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
google	—	RSA · ~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: 2/10 · policy: -all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

313ms

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

🏷️ SOA#

126ms

Field	Value
Serial	2026102004
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-22 22:39:37

Field	Value
Registrar	Simply.com A/S
Registered	2026-10-13
Expires	2027-10-12 (352d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

64ms

109ms

88ms

AAAA

126ms

TXT

404ms

CAA

198ms

HTTPS

110ms

TLSA

203ms

SOA

126ms

MTA-STS

211ms

DNSSEC

313ms

SRV

263ms

Total

2010ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 22:13:57 shown	2010ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-21 19:40:20	1547ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-20 16:33:23	1549ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-17 11:38:31	399ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-14 08:34:29	384ms	3 NS 1 A 1 MX	🔒 Secure