diff --git a/a/output.timestamp.tf b/a/output.timestamp.tf
new file mode 120000
index 0000000..c4dc4d5
--- /dev/null
+++ b/a/output.timestamp.tf
@@ -0,0 +1 @@
+../common/output.timestamp.tf
\ No newline at end of file
diff --git a/aaaa/output.timestamp.tf b/aaaa/output.timestamp.tf
new file mode 120000
index 0000000..c4dc4d5
--- /dev/null
+++ b/aaaa/output.timestamp.tf
@@ -0,0 +1 @@
+../common/output.timestamp.tf
\ No newline at end of file
diff --git a/cname/output.timestamp.tf b/cname/output.timestamp.tf
new file mode 120000
index 0000000..c4dc4d5
--- /dev/null
+++ b/cname/output.timestamp.tf
@@ -0,0 +1 @@
+../common/output.timestamp.tf
\ No newline at end of file
diff --git a/common/output.timestamp.tf b/common/output.timestamp.tf
new file mode 100644
index 0000000..c393251
--- /dev/null
+++ b/common/output.timestamp.tf
@@ -0,0 +1,4 @@
+output "timestamp" {
+  description = "Record creation Unix timestamp (from heritage records)"
+  value       = time_static.timestamp.unix
+}
diff --git a/host/output.timestamp.tf b/host/output.timestamp.tf
new file mode 120000
index 0000000..c4dc4d5
--- /dev/null
+++ b/host/output.timestamp.tf
@@ -0,0 +1 @@
+../common/output.timestamp.tf
\ No newline at end of file
diff --git a/ptr/README.md b/ptr/README.md
index 3fe860b..60399d9 100644
--- a/ptr/README.md
+++ b/ptr/README.md
@@ -88,3 +88,4 @@ The record looks like:
 | <a name="output_availability_zone_suffixes"></a> [availability\_zone\_suffixes](#output\_availability\_zone\_suffixes) | VPC Availability zone suffix list |
 | <a name="output_heritage_name"></a> [heritage\_name](#output\_heritage\_name) | DNS Name created for the heritage record, if enabled |
 | <a name="output_name"></a> [name](#output\_name) | DNS Name created (same as what was provided) |
+| <a name="output_timestamp"></a> [timestamp](#output\_timestamp) | Record creation Unix timestamp (from heritage records) |
diff --git a/ptr/output.tf b/ptr/output.tf
index 93df745..7f30cdf 100644
--- a/ptr/output.tf
+++ b/ptr/output.tf
@@ -5,5 +5,8 @@ output "name" {
 
 output "heritage_name" {
   description = "DNS Name created for the heritage record, if enabled"
-  value       = try(aws_route53_record.entry_heritage[0].name, null)
+  value = concat(
+    [for r in aws_route53_record.entry_ipv4_ptr_heritage : r.name],
+    [for r in aws_route53_record.entry_ipv6_ptr_heritage : r.name],
+  )
 }
diff --git a/ptr/output.timestamp.tf b/ptr/output.timestamp.tf
new file mode 120000
index 0000000..c4dc4d5
--- /dev/null
+++ b/ptr/output.timestamp.tf
@@ -0,0 +1 @@
+../common/output.timestamp.tf
\ No newline at end of file